Electromagnetic Induction & Alternating Currents-Induced EMF and Current (AIIMS Physics): Questions 8 - 10 of 10

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Question number: 8

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

Appeared in Year: 1995

MCQ▾

Question

Dimension of a rectangular coil is Equation . Number of turns in coil is 60. It is rotating about its one of the diameter in an uniform magnetic field of Equation , with the speed 1800 r. p. m. the maximum induced emf is – [RPMT]

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

113 V

Question number: 9

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

Appeared in Year: 1998

MCQ▾

Question

Two coil have a mutual inductance Equation . The current changes in first coil according to equation Equation , where Equation and Equation . The maximum value of induced emf in second coil is – (AIPMT)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 10

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

The magnetic flux linked with a coil varies with time, given as, Equation . The induced emf at 2 sec is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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