AIPMT 2015 | Electromagnetic Induction Question 13 | Physics

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

NEET 2013

MCQ (Single Correct Answer)

-1

A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced e.m.f. is

four times per revoluation

six times per revolution

once per revolution

twice per revolution

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