Electromagnetic Induction questions
610 published questions with worked solutions.
- A conducting circular loop of area 1.0 m^2 is placed perpendicular to a magnetic field which varies as B = (100t) Tesla. If the...
- A capacitor C is first charged fully with potential difference of V_0 and disconnected from the battery. The charged capacitor is...
- Inductance of a coil with 10^4 turns is 10 mH and it is connected to a dc source of 10 V with internal resistance of 10 . The...
- A conducting circular loop is rotated about its diameter at a constant angular speed of 100 rad/s in a magnetic field of 0.5 T...
- A 20 m long uniform copper wire held horizontally is allowed to fall under the gravity (g=10 m/s^2) through a uniform horizontal...
- A simple pendulum made of mass 10 g and a metallic wire of length 10 cm is suspended vertically in a uniform magnetic field of 2...
- A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular to plane of loop. The loop is...
- Suppose a long solenoid of 100 cm length, radius 2 cm having 500 turns per unit length, carries a current I = 10 ( t) A , where =...
- Regarding self-inductance : A : The self-inductance of the coil depends on its geometry. B : Self-inductance does not depend on...
- A uniform magnetic field of 0.4 T acts perpendicular to a circular copper disc 20 cm in radius. The disc is having a uniform...
- Consider I_1 and I_2 are the currents flowing simultaneously in two nearby coils 1 & 2, respectively. If L_1 = self inductance of...
- A coil of area A and N turns is rotating with angular velocity ω in a uniform magnetic field B about an axis perpendicular to B ....
- A coil of cross-sectional area A having n turns is placed in a uniform magnetic field B. When it is rotated with an angular...
- The total number of turns and cross-section area in a solenoid is fixed. However, its length L is varied by adjusting the...
- A coil of self inductance 10 mH and resistance 0.1 Ω is connected through a switch to a battery of internal resistance 0.9 Ω....
- An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10V. The charging battery is then disconnected....
- Two coils 'P' and 'Q' are separated by some distance. When a current of 3 A flows through coil 'P' a magnetic flux of 10^ -3 Wb...
- A 10 m long horizontal wire extends from North East to South West. It is falling with a speed of 5.0 ms^ -1 , at right angles to...
- A copper wire is wound on a wooden frame, whose shape is that of an equilateral triangle. If the linear dimension of each side of...
- The self induced emf of a coil is 25 volts. When the current in it is changed at uniform rate from 10 A to 25 A in 1 s, the...
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