Electromagnetic Induction & Alternating Currents-Induced EMF and Current (BITSAT Physics): Questions 1 - 3 of 3

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Question number: 1

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

In a coil of self – inductance 5Henry , the rate of change of current is 2 ampere per second. The emf induced in the coil is –

Choices

Choice (4) Response

a.

5V

b.

5V

c.

10V

d.

10V

Question number: 2

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

The phenomenon of production of emf in a current carrying metallic strip on applying a magnetic field along a direction perpendicular to the direction of flow of current is known as –

Choices

Choice (4) Response

a.

Hall effect

b.

Joule effect

c.

Seeback effect

d.

Peltier effect

Question number: 3

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

In an A. C. circuit the potential different across an inductance and resistance joined in series are respectively 16V and 20V . The total potential different across the circuit is –

Choices

Choice (4) Response

a.

20.0V

b.

25.6V

c.

31.9V

d.

53.5V

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