4th Quarter Exam- Physics- Grade 12

Which of the given is the SI Unit of Electric Current?

• Ohm

• Ampere

• Volt

• Faraday

The rate of flow of an electric charge is known as:

• Electric potential

• Electric conductance

• Electric current

• None of these

The instrument used for measuring electric current is:

• Ammeter

• Galvanometer

• Voltmeter

• Potentiometer

The amount of work done in joules, when one unit electric charge moves from one point to another point in an electric circuit is called

• Electric current

• Electric resistance

• Electric conductance

• Potential difference

The unit of potential difference is :

• Volt

• Ohm

• Ampere

• Faraday

The obstruction offered by material of conductor to the passage of electric current is known as:

• Resistance

• Conductance

• Inductance

• None of these

The SI unit of resistance is:

• Newton

• Ohm

• Watt

• Joule

On which of the given resistance does not depend:

• Length of conductor

• Area of cross-section

• Temperature

• Density

The potential difference applied is directly proportional to current only if

• Always

• Never

• Sometimes

• When temperature is constant

In SI unit, JC⁻¹ is equal to

• Volt

• Newton's law

• Pascal

• Omega