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Electric Potential Difference and Voltage Measurement Quiz

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Electric Potential Difference and Voltage Measurement Quiz

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Questions and Answers

What is the SI unit of electric potential difference?

Ohm (Ω)

Volt (V) (correct)

Ampere (A)

Joule (J)

How is the voltmeter connected in an electric circuit to measure potential difference?

In parallel to the ammeter

In series to the ammeter

In series

In parallel (correct)

What is the purpose of an ammeter in an electric circuit?

To measure potential difference

To measure voltage

To measure resistance

To measure electric current (correct)

According to Ohm's Law, what is the relationship between potential difference and current in a metallic conductor?

They are directly proportional (B) Signup and view all the answers

What is the resistance of a voltmeter in an electric circuit?

Very high (A) Signup and view all the answers

What is the property of matter by virtue of which it can exert electromagnetic force?

Charge (B) Signup and view all the answers

Which of the following substances offers comparatively less opposition to the flow of current?

Aluminum (D) Signup and view all the answers

What is the SI unit of electric potential?

Volt (B) Signup and view all the answers

Which of the following substances offers larger opposition to the flow of current?

Wood (C) Signup and view all the answers

What is defined as the work done in bringing a unit positive charge from infinity to a point?

Electric potential (B) Signup and view all the answers