Electromagnetic Induction & Alternating Currents (NEST (National Entrance Screening Test) Physics): Questions 2 - 3 of 3

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Question number: 2

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

Appeared in Year: 2009

MCQ▾

Question

Two identical circular current carrying coils Equation and Equation , each of radius Equation are placed adjacently a distance Equation apart Equation . They carry equal currents Equation in opposite sense. Let Equation denote the self and mutual inductances.

Two identical circular current carrying coils

Two Identical Circular Current Carrying Coils

In figure two identical circular current carrying coils 1 and 2, each of radius R are placed adjacently a distance d apart.

Which of the following is at least approximately true?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

Appeared in Year: 2013

MCQ▾

Question

An airplane of wingspan Equation is traveling at Equation in a region where the earth’s magnetic field is Equation . The maximum voltage that can possibly be developed between the ends of the wing is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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