Electromagnetic Induction questions
610 published questions with worked solutions.
- A metallic rod of length 20 cm is placed in North-South direction and is moved at a constant speed of 20 m/s towards East. The...
- A coil is placed in time varying magnetic field. If the number of turns in the coil were to be halved and the radius of wire...
- A capacitor of capacitance 500 F is charged completely using a dc supply of 100 V. It is now connected to an inductor of...
- The induced emf can be produced in a coil by A. moving the coil with uniform speed inside uniform magnetic field B. moving the...
- An emf of 0.08 V is induced in a metal rod of length 10 cm held normal to a uniform magnetic field of 0.4T, when move with a...
- An oscillating LC circuit consists of a 75 mH inductor and a 1.2 capacitor. If the maximum charge to the capacitor is 2.7 . The...
- A bar magnet is released from rest along the axis of a very long vertical copper tube. After some time the magnet will -
- A square loop of side 2.0 cm is placed inside a long solenoid that has 50 turns per centimetre and carries a sinusoidally varying...
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Resaon R Assertion A : A bar magnet...
- A coil has an inductance of 2H and resistance of 4 . A 10V is applied across the coil. The energy stored in the magnetic field...
- A conducting circular loop is placed in a uniform magnetic field of 0.4 T with its plane perpendicular to the field. Somehow, the...
- An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of the crosssectional area 24 cm^2. The two...
- Which of the following Maxwell's equation is valid for time varying conditions but not valid for static conditions:
- A 12 V battery connected to a coil of resistance 6 through a switch, drives a constant current in the circuit. The switch is...
- A 20 cm long metallic rod is rotated with 210 rpm about an axis normal to the rod passing through its one end. The other end of...
- A conducting circular loop of radius 10 cm is placed perpendicular to a uniform magnetic field of 0.5 T. The magnetic field is...
- A wire of length 1 m moving with velocity 8 m/s at right angles to a magnetic field of 2 T. The magnitude of induced emf, between...
- In an LC oscillator, if values of inductance and capacitance become twice and eight times, respectively, then the resonant...
- A square loop of area 25 cm^2 has a resistance of 10 . The loop is placed in uniform magnetic field of magnitude 40.0 T. The...
- Find the mutual inductance in the arrangement, when a small circular loop of wire of radius 'R' is placed inside a large square...
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