Physics question and answers for November 25, 2023
- Q 17 In a series circuit C 2 F L 1mH and R 100 When the current in the circuit is maximum at that time the ratio of the energies stored...
- Q 1 A uniform rod of mass m is moving with constant velocity v in a perpendicular uniform magnetic field B as shown The resistance of rod is r The current...
- Q A magnetic field B Bosin wt k covers a large region where a wire AB slides smoothly over two parallel conductors separated by a distance d Fig The wires are...
- Q In the circuit shown below switch S is kept open and circuit is in steady state At t 0 the switch S is closed and new steady state is reached...
- Q A copper ring is placed co axially in a time varying cylindrically symmetric magnetic field given by B btk Radius of ring is r Resistance of one half of the...
- Q A single phase transformer is connected to a 230 volt 50Hz supply The net cross sectional area of the core is 60 mm The number of turns of the primary...
- Q One solenoid is centered inside another The outer one has a length of 50 0 cm and contains 6750 coils while the coaxial inner solenoid is 3 0 cm long...
- Q When north pole of a magnet is moved to the plane of the coil as shown perpendicular in figure then Induced Current NAN A B Capacitor S a emf is...
- Q In the given branch PQ of a circuit shown in figure a current i 5t 5 A is flowing where t is in second The potential difference between points P...
- Q A solenoid has an inductance of 5 H and a resistance of 1 0 Q connected to a battery of emf 10 V The time taken for the magnetic energy...
- Q Wire 1 is now removed and Wire 2 is exposed to a magnetic field of strength 73 mT such that the magnetic field lines make an angle to the wire...
- Q A coil of inductance L and zero resistance is connected to a source of variable emf at t 0 The emf of the source is varied with time according to...
- Q 5 A long straight wire carries a steady current I and a metal bar with length I is moving at a constant velocity v as shown in figure Point a...
- Q is kept rotating with a constant angular speed w in a vertical plane about a horizontal axis at the end O The free end A is arranged to slide without...
- Q 6 ELECTROMAGNETIC INDUCTION The directions of induced current in coil for different kinds of motion of magnets a S S b S N c N N Clockwise induced current S...
- Q In the circuit shown in Fig The capacitor has capacitance C 20 F and is initially charged to 100 V with the polarity shown The resistor Ro has resistance 100...
- Q A student constructs an inductor shown in Figure Q1a by winding an insulated metal wire around a core of soft magnetic material ferrite The cylindrical coil has 9 turns a...
- Q When a magnet is allowed to fall through two identical metal coils at different temperatures then magnet falls slowly through the coil at low temperature as its resistance is less...
- Q Imagine a cone of height h and radius R placed in a uniform electric field E parallel to its axis What is the ratio of electric flux through the flat...
- Q Zero An infinitely long wire carries current i along z axis Find flux through the right angled isosceles trangular region coplanar with the wire as shown in figure id xid...
- Q disc of radius r is made of a material of negligible resistance and can rotate about a conducting horizontal shaft A smaller non conducting disc of radius a is fixed...
- Q A solenoid of radius R and length L has a curren I Io coswt The value of induced electric field a a distance of r outside the solenoid is 1...
- Q 1 Consider an infinite one dimensional wire carrying a uniform current I as shown in the figure A square loop of side a is initially placed such that the center...
- Q A magnetic field B 0 61 is directed upward through a circular loop of diameter 7 cm and 500 turns The loop is initially horizontal so it is perpendicular to...
- Q A semi circular conducting wire of radius 2m is rotated in a uniform magnetic field B 0 1 Tesla 2 about point O with angular speed 10 rad s as...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!