Physics question and answers for December 14, 2023
- Q The resistance values areR? =4?R?=4?R3 = 2?Determine the equivalent resistance (for the combination of three resistors), the voltmeter readings and the ammeter readings at the indicated locations.
- Q 60 The magnetic field at the point O in the given figure is B Hol 3 1 Bra 60 2 Ho 3 1 B Hol 3 1 3 Ana 4...
- Q R 0 5F HH A B 30 Answer C 5 V B A 6H 40 ww Your Attempt S Correct answer VA VB is increasing with time VA VB is...
- Q 3 The magnetic field in a toroid of 600 turns current of 0 76A and central line radius 0 50m is 2 7 8 x 10 T 4 25 10...
- Q current carrying conductor at a location shown the figure 1 2 3 4 B H 3 B 1 2 1 21 20 4 a 2 2 B H 3 2ma...
- Q A current in a tangent galvanometer produces a deflection of 30 The plane of coil of the tangent galvanometer turned through 90 then deflection will be A B C D...
- Q 1 A very long thin strip of metal of width b carries a current I along its length as shown Find the magnitude of magnetic field in the plane of...
- Q Aakash Institute 40 In figure there are two concentric coils in perpendicular planes carrying equal currents Magnetic field at centre is B If current in one coil becomes zero then...
- Q A charged particle of mass m and charge q is projected into a uniform magnetic field of induction B with speed v which is perpendicular to B The width of...
- Q 45 A semicircular wire of radius r carrying current I is placed in a magnetic field of magnitude B The force acting on it 1 Can never be zero 2...
- Q An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an elect current The hot filament emits black body radiation The filament is...
- Q A system of two circular co axial coils carrying equal currents I along same direction having equal radius R and separated by a distance R as shown in the figure...
- Q 3 utane Bd 32 If a charged particle goes unaccelerated in a region containing non zero electric and magnetic field then 1 E must be perpendicular to B and velocity...
- Q Three infinite length wire P Q and R placed parallel to each other net force on 10 cm length of wire Q is 06 108 N 6 10 N 6x10...
- Q Questions of this sections are compulsory A cell is connected between the points A and C of a circular conductor ABCD of centre O with angle AOC 60 If B...
- Q 1 Consider a bob of mass m and having charge q attached to a light string of length 7 and pivoted at point O It is released from rest at...
- Q 9 Two coils have self inductance L 1 mH respectively The currents in the two 4 coils are increased at the same rate At a certain instant of time both...
- Q 1 The magnetic field at point P is Hel 1 4 2na Hal 3 8 2ma Hol 2 4 2ra 4 Hol 8 2na 4 1 HRAGTEEES ea fri m...
- Q Statement 1 As given in diagram the direction of magnetic field at point P is out of the plane of the paper Statement II Right hand thumb rule gives the...
- Q A point charge q is rotating in a circle of radius R with angular frequency o The magnetic field created by it at the centre of the circle will be...
- Q 2 A metallic rod of mass per unit length 0 5 kg m is lying horizontally on a smooth inclined plane which makes an angle of 30 with the horizontal...
- Q A small circular loop with radius 0 6 cm is lying parallel and coaxial to a much bigger circular loop having radius 20 cm The distance between their centers is...
- Q 9 A bar magnet of length e and magnetic dipole moment M is bent in the form of an arc as shown in figure The new magnetic dipole moment will...
- Q The figure shows the electric field lines of three charges with charge 1 1 and 1 The Gaussian surface in the figure is a sphere containing two of the charges...
- Q What is the magnetic field at the point of intersection of diagonals of a current carrying square loop of each side L The current through the loop is I 1...
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