Physics - Questions and Answers, General Study (GK)

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351.

The space surrounding a charge in uniform motion has

(a)only an electric field

(b)only a magnetic field

(c)both electric and magnetic fields

(d)None of the above

Comment

Answer is: CNA

352.

For high frequency, the capacitor offers

(a)more resistance

(b)less resistance

(c)zero resistance

(d)None of the above

Comment

Answer is: BNA

353.

Alternating current can be measured by

(a)hot wire ammeter

(b)moving coil galvanometer

(c)Tangent galvanometer

(d)None of the above

Comment

Answer is: ANA

354.

The north pole of the earth's magnet is near the geographical

(a)West

(b)North

(c)South

(d)East

Comment

Answer is: CNA

355.

Ampere rule is used to find the

(a)direction of motion of the conductor

(b)direction of current

(c)direction of magnetic field

(d)none of the above

Comment

Answer is: CNA

356.

Electricians use rubber gloves while working because

(a)rubber is good conductor

(b)rubber is an insulator

(c)it is easy to work while wearing gloves

(d)none of the above

Comment

Answer is: CNA

357.

Faraday's law of electromagnetic induction is related to the

(a)third law of motion

(b)law of conservation of charge

(c)low of conservation of energy

(d)none of the above

Comment

Answer is: ANA

358.

Consider the following statements
1. A comb moving through dry hair get electrically charged.
2. Electric lines of force are not closed but mangetic lines of force are closed.

(a)only 1

(b)only 2

(c)both 1 and 2

(d)Neither 1 nor 2

Comment

Answer is: CNA

359.

A chok coil has

(a)low inductance and high resistance

(b)low inductance and low resistance

(c)high inductance and low resistance

(d)high inductance and high resistance

Comment

Answer is: CNA

360.

Magnetic permeability is maximum for

(a)paramagnetic substances

(b)ferromagnetic substances

(c)diamagnetic substances

(d)All of these

Comment

Answer is: BNA

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Physics - Questions and AnswersPage 36

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