Physics question and answers for December 03, 2023
- Q An electron with mass mp 9 1x 10 31 kg charge qe 1 6 x 10 1 C moving with a speed of 2 50 x 105 m s enters...
- Q An electromagnetic wave with a peak magnetic field component of magnitude B 1 5 x 10 7 T has an associated peak electric field component E of O 2 0...
- Q Consider a magnetic field B with B 2 20 x 10 4 T in a place on Earth surface directed parallel to Earth s surface pointing north A metal cable...
- Q A charged particle q is shot with a velocity v in a straight line parallel to an external magnetic field B through a region of space Therefore assuming that there...
- Q 1 What is a magnetic field Where is the magnetic field the strongest
- Q 6 A long straight wire carries a current of 3 00 A from left to right A particle of charge 6 50 x 10 6 C is moving parallel to...
- Q Zoom Share Highlight Rotate Markup BeareN Sear
- Q 4 A long straight wire carries a current I 2 55 A from left to right Another long straight wire is located 0 340 m above the first wire The...
- Q 1 A solenoid has 100 turns and is 0 100 m long A current of 5 00A runs counter clockwise when the solenoid is arranged as in the drawing below...
- Q Areas within ferromagnetic materials where magnetic fields line up are called magnets domains O magnetic fields areas electrons
- Q When a magnet is broken in half The broken North pole becomes a magnetic South monopole Each piece has a North and a South pole The broken North pole becomes...
- Q second 3 The figure below is a cross sectional view of a coaxial cable The center conductor is surrounded by air a conductor surrounded by air and an outer conductor...
- Q 2 A wire having a mass per unit length of 1 52 g cm carries a 3 50 A current horizontally to the north as shown in What is the...
- Q 1 mun moves with a velocity of v 4i 3j k m s in a region in which the magnetic field is B 2i j 2k T What is the...
- Q A circular loop of diameter 10 cm carrying a current of 0 20 A is placed inside a magnetic field 0 30 Tk The normal to the loop is parallel...
- Q A wire carries a 4 0 A current along the x axis through a magnetic field B 5 0 7 0 T If the wire experiences a force of 30...
- Q A doubly charged ion charge 2e with velocity 6 9 x 106 m s moves in a circular path of diameter 60 0 cm in a magnetic field of 0...
- Q A wire carrying a current is shaped in the form of a circular loop of radius 3 0 mm If the magnetic field strength that this current produces at the...
- Q A round loop of diameter 12 cm carrying a current of 0 40 A is placed inside a magnetic A field B 0 20 Ti 0 40 Ti The normal...
- Q A straight wire that is 0 60 m long is carrying a current of 2 0 A It is placed in a uniform magnetic field of strength 0 30 T...
- Q A wire segment 1 2 m long carries a current I 3 5 A and is oriented as shown in the figure The x axis points directly into the page...
- Q 2 Determine the force on a particle traveling 5 3E7 m s to the west through a magnetic field with a strength of 6 8 T to the east F...
- Q positive There are no other fields of any kind in the region and no forces act on the particle other than magnetic forces Which of the following is are correct...
- Q In the figure shown below there is a wire carrying current to the right What is the direction of the magnetic field at the location of the x 1 X...
- Q The figure below represents a region of uniform magnetic field B directed into the page If the black dot is a positively charged particle what arrow would represent the particle...
- Q The group of arrows in the figure below represents MAGNETIC field lines What is the direction if any of the force on the particle due to the magnetic field if...
- Q Problem 6 The current in a long solenoid of radius 3 0 cm and 20 turns cm is varied at a rate dl of di 2 A s dt a...
- Q 8 The image below represents a ferromagnetic material The areas in which 1 point the arrows representing the magnetic field of each area are called magnets O poles O domains...
- Q An electron moving perpendicular to a uniform magnetic field of 3 2 10 2 T moves in a circle of radius 0 40 cm How fast is this electron moving...
- Q A proton starting from rest travels through a potential of 1 0 kV and then moves into a uniform 0 040 T magnetic field What is the radius of the...
- Q 30. You bring the north pole of one magnet close to the south-pole of another magnet. Which of the following is/are true? Check all that apply.The field lines move from...
- Q A current-carrying wire carries a current of 1.20 A. What is the magnitude of the magnetic field at point P, 0.042 meters away from the wire?7.00 x 10-? T7.00 x...
- Q 1. What was Hans Christian Oersted most known for?showing that a magnet created an electric force on a charged particleshowing that the direction a current flows if from the positive...
- Q 1. A charged particle moves in a circle in a magnetic field. What must be true about that particle?the charged particle is moving perpendicularly to a magnetic fieldthe charged particle...
- Q The figure shows three long, parallel current- carrying wires. The magnitudes of the currents are equal and their directions are indicated in the figure. Which of the arrows drawn near...
- Q A doubly charged ion (charge 2e) with velocity 6.9 106 m/s moves in a circular path of diameter 60.0 cm in a magnetic field of 0.80 T in a mass...
- Q A long straight conductor has a constant current flowing to the right. A wire rectangle is situated above the wire, and also has a constant current flowing through it (as...
- Q An electric current passes through a long straight copper wire. At a distance 5cm from the straight wire, the magnetic field is B. The magnetic field at 20cm from the...
- Q 7. The diagram below shows the north pole of one bar magnet located nearthe south pole of another bar magnet. Which choice best describes themagnetic field near these magnets? *NSO...
- Q A long wire carrying 100 A is perpendicular to the magnetic field lines of a uniform field of magnitude 0.0050 T. At what distance from the wire is the net...
- Q Which factors affect the strength of a magnetic field around a current-carrying wire? Check all that apply.the type of metal of the wirethe amount of the currentthe direction of the...
- Q A charged particle enters a uniform magnetic field with a velocity v at right angles to the field. It moves in a circle with period T. An identical particle enters...
- Q Three long straight wires are directed into the page. They each carry equal currents in the directions shown in the figure. The lower two wires are attached to a table....
- Q 20. A wire 25 cm long with an north-south orientation carries a current of 3.0 A southward. There is a uniform magnetic field perpendicular to this wire. If the force...
- Q The magnetic field inside a superconducting solenoid is 4.71T.The solenoid has an inner diameter of 6.49cm and a length of 25.0cm.a) Determine the magnetic energy density in the field.b) Calculate...
- Q A proton enters with a velocity between the plates of a capacitor as shown in the figure. What is the direction of the magnetic field needed so that the proton...
- Q A circular coil of wire 8.60 cm in diameter has 16.0 turns and carries a current of 3.20 A. The coil is in a region where the magnetic field is...
- Q If an electron travels 0.260 m from an electron gun to a TV screen in 39.1 ns, what voltage was used to accelerate it? (Note that the voltage you obtain...
- Q A potassium ion (K+) moves in the xy-plane with a speed of 3.00 x 10 m/s. If a constant magnetic field is directed along the z-axis with a magnitude of...
- Q IS: 6.676. A magnetic field has an intensity of 1.5 T out of the page. A conventional current of 12.0 A flows to the left through the field. Find the...
- Q b Describe the various type of torques present in the measuring instruments their type and how they are produced 5 5 5 a A long shunt compound generator delivers a...
- Q You are designing a solenoid to produce a 1.3-kG magnetic field. You wish to wrap your insulated wire uniformly around a cardboard tube that is 8.0 cm in diameter and...
- Q In the Wheatstone s network given P 10 2n Q 20 22 R 15 Q2 S 30 2 The current passing through the battery of negligible internal resistance is A...
- Q 52 A potentiometer having the potential gradient of 2 mV cm is used to measure the difference of If a length of 50 cm of the potentiometer wire is potential...
- Q The emf of the cell is 2V and its internal resistance is 2 ohm A resistance of 8 ohm is joined to the battery in parallel This is connected is...
- Q A galvanometer may be converted voltmeter following cases the resistance of the device so obtained will be the largest in to ammeter or a In which of the O Voltmeter...
- Q In potentiometer balancing length of first cell and second cell is 2 m and 1 5 m respectively when they are connected separately Hence E1 E2 is a 0 8...
- Q The rime of 50 cm diameter wheel on a brake shoe testing machine has a speed of 16 5 m s when the break is applied It comes to rest...
- Q The maximum current that can flow through a galvanometer is 5 mA If the galvanometer has to be converted into an ammeter of range 0 10 A which of the...
- Q 45 In the situation shown what is the value of resistance between A and D in addition to 12 resistance so that galvanometer shows no deflection connected A 1 12...
- Q Wheatstone Network R D A VG C B f R1 3ohm R2 5 ohm R3 10 ohm resistor shunted with 10 ohm resistor the value Rx is Mark only one...
- Q introduce a cylindrical soff iron core inside the coil of a galvanometer 17 Write the factors on which the sensitivity of a moving coil galvanometer depends Nam material used in...
- Q When two coils are connected in series their effective inductance is found to be 10H however when connections to one coil is reversed the effective inductance If coefficient of coupling...
- Q The EMF of a standard cell is balanced over a 150 cm length of a potentiometer wire When this cell is shunted by a 292 resistance the null point is...
- Q A 6V battery of negligible internal resistance is connected across a uniform wire AB of length 100 cm The positive terminal of another battery of emf 4 V and internal...
- Q For a transistor amplifier the voltage gain in CE configuration Remains constant for all frequencies Is low at low and high frequencies and constant for mid frequencies Is low at...
- Q In the Fig 2 69 AB is a potentiometer wire of length 50 cm and resistance 1 The emf of the source of elec tricity E is 24 V and...
- Q R N N K The circuit diagram shown above is used for a Determination of un known emf of a cell b Comparison of emfs of two cells c Determination...
- Q In a metre bridge experiment a null point is obtained at a length of 39 8 cm when a 2 resistance is placed in the left gap and a 3...
- Q The variation of potential difference V with length 1 in case of two potentiometers X and Y is shown in the figure Which one of the two will you prefer...
- Q Three short electric dipoles each of dipole moment P are placed at the vertices of an equilateral triangle of side length L Each dipole has its moment oriented parallel to...
- Q The galvanometer shown in figure has resistance 50 Main current of 6 A passes in circuit as shown If current through galvanometer is Ig then 6 A lg 11 10...
- Q Two light bulbs in the circuit have rating A 24 V 48W and B 24V 36W as shown 127 O When switch is closed bulb A delivers 24 watt B...
- Q d 10A mass of 3 kg is placed on the massless piston of area 10 cm of a cylindrical vessel containing a gas Find the fractional change in surface area...
- Q Design a phase shift oscillator for given figure for fo 350Hz Assume C 0 1 F R1 22kQ R1 www Rf Vcc A O Vec C 16 Choose R 1kQ...
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