Practice MCQ Questions and answers on Physics-GK Page-1 section-13

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15

1.
Kirchoff's Voltage Law is known as

A. Conservation of Charge

B. Conservation Energy

C. Both

D. None of these

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2.
Super conductors are substances that

A. Offer minimum resistance to flow of electric current

B. Conduct electricity at low temperature

C. Conduct electricity at high temperature

D. Offer high resistance to the flow of electric current

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3.
A galvanometer can be converted to a voltmeter by connecting

A. A high resistance in parallel

B. A high resistance in series

C. A low resistance in series

D. A low resistance in parallel

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4.
Certain substances loose their electrical resistance completely at super low temperature. Such substances are called.

A. Superconductors

B. Semi conductors

C. Dielectrics

D. Perfect conductors

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5.
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

A. 8.5 A

B. 24 A

C. 10 A

D. 12 A

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6.
Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?

A. Barkla's experiment on scattering of X-rays

B. Lamb-Rutherford experiment

C. Geiger and Marsdens experiment on scattering of alpha particles

D. Bunsen and Kirchhoff's experiment

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7.
Erg cross Sec is the unit of

A. Angular momentum

B. Linear Momentum

C. Planck's constant

D. Energy

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8.
A dynamometer wattmeter can be used for

A. Only Direct Current

B. Only Active Current

C. Both A & B

D. None of the above

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9.
Kirchhoff's laws are applicable to

A. D.C. circuits only

B. A.C. circuits only

C. D.C. and A.C. circuits both

D. None of the above

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10.
The device which converts AC to DC is

A. Oscillator

B. Amplifier

C. Rectifier

D. None of these

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Practice MCQ Questions and answers on Physics-GK

1. Kirchoff's Voltage Law is known as

Answer & Solution

2. Super conductors are substances that

Answer & Solution

3. A galvanometer can be converted to a voltmeter by connecting

Answer & Solution

4. Certain substances loose their electrical resistance completely at super low temperature. Such substances are called.

Answer & Solution

5. The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

Answer & Solution

6. Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?

Answer & Solution

7. Erg cross Sec is the unit of

Answer & Solution

8. A dynamometer wattmeter can be used for

Answer & Solution

9. Kirchhoff's laws are applicable to

Answer & Solution

10. The device which converts AC to DC is

Answer & Solution

Read More Section(Physics)

1.
Kirchoff's Voltage Law is known as

2.
Super conductors are substances that

3.
A galvanometer can be converted to a voltmeter by connecting

4.
Certain substances loose their electrical resistance completely at super low temperature. Such substances are called.

5.
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

6.
Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?

7.
Erg cross Sec is the unit of

8.
A dynamometer wattmeter can be used for

9.
Kirchhoff's laws are applicable to

10.
The device which converts AC to DC is