General Physics Questions And Answers, Set 68

 

General Physics Questions And Answers

Q1. 

Find the false statement.

Ans.

Wheatstone bridge is susceptible to high dc current

Q2. 

Which among the following is true?

Ans.

According to Kirchhoff’s law, the current flowing towards a junction is equal to the current leaving the junction

Q3. 

Identify the correct statement from the following.

Ans.

While traversing in a closed loop, if positive pole of cell is encountered first, then the emf is positive

Q4. 

Kirchhoff’s first law supports law of conservation of charge.

Ans.

True

Q5. 

Kirchhoff’s laws are applicable in the presence of magnetic field.

Ans.

False

Q6. 

Identify the type of conductors whose V-I relationship is linear.

Ans.

Ohmic conductors

Q7. 

Which of these relation holds good for an Ohmic conductor?

Ans.

The straight-line V-I graph pass through the origin

Q8. 

Which of the following is an example of an Ohmic conductor?

Ans.

Nichrome

Q9. 

Ohm’s law is a fundamental law of nature. State true or false.

Ans.

False

Q10. 

Identify the type of conductor in which the variation of current with potential difference may depend upon the sign of the potential difference applied.

Ans.

p-n junction diode

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