AIPMT 2008 | Moving Charges and Magnetism Question 51 | Physics

AIPMT 2008

MCQ (Single Correct Answer)

-1

A galvanometer of resistance 50 $$\Omega $$ is connected to a battery of 3 V along with a resistance of 2950 $$\Omega $$ in series. A full scale deflection of 30 divisions is obtained in the galvanometer. In order to reduce this deflection to 20 divisions, the resistance in series should be

$$6050$$ $$\Omega $$

$$4450\,\Omega $$

$$5050\,\Omega $$

$$5550\,\Omega $$

AIPMT 2007

MCQ (Single Correct Answer)

-1

Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R. The time period of rotation of the particle

depends on R and not on v

is independent of both v and R

depends on both v and R

depends on v and not on R

AIPMT 2007

MCQ (Single Correct Answer)

-1

The resistance of an ammeter is 13 $$\Omega $$ and its scale is graduated for a current upto 100 amps. After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 amperes by this meter. The value of shunt-resistance is

2 $$\Omega $$

0.2 $$\Omega $$

2 k$$\Omega $$

20 $$\Omega $$

AIPMT 2006

MCQ (Single Correct Answer)

-1

When a charged particle moving with velocity $$\overrightarrow v $$ is subjected to a magnetic field of induction $$\overrightarrow B $$, the force on it is non-zero. This implies that

angle between is either zero or 180^o

angle between is necessarily 90^o

angle between can have any value other than 90^o

angle between can have any value other than zero and 180^o.

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