NEET 2016 Phase 1 | Electromagnetic Induction Question 12 | Physics

A long solenoid has 1000 turns. When a current of 4 A flows through it, the magnetic flux linked with each turn of the solenoid is 4 $$ \times \,{10^{ - 3}}$$ Wb. The self-inductance of the solenoid is

2 H

1 H

4 H

3 H

AIPMT 2015

MCQ (Single Correct Answer)

-1

An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be the direction of current, if any, induced in the coil ?

AIPMT 2015 Physics - Electromagnetic Induction Question 25 English

AIPMT 2015 Physics - Electromagnetic Induction Question 25 English

The current will reverse its direction as the electron goes past the coil

No current induced

abcd

adcb

AIPMT 2014

MCQ (Single Correct Answer)

-1

A thin semicircular conducting ring (PQR) of radius r is falling with its plane vertical in a horizontal magnetic field B, as shown in the figure.

AIPMT 2014 Physics - Electromagnetic Induction Question 24 English

AIPMT 2014 Physics - Electromagnetic Induction Question 24 English

The potential difference developed across the ring when its speed is $$v$$, is

zero

$${{Bv\pi {r^2}} \over 2}$$ and P is at higher potential

$$\pi rBV$$ and R is at higher potential

2rBV and R is at higher potential

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

A current of 2.5 A flows through a coil of inductance 5 H. The magnetic flux linked with the coil is

0.5 Wb

12.5 Wb

zero

2 Wb

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