Dry Run

What is the SI unit of electric current?

• Ampere

• Volt

• Ohm

• Mho

Which material is a good insulator?

• Glass

• Aluminium

• Copper

• Silver

What is the formula for Ohm's Law?

• R = IV

• V = I/R

• V = IR

• I = VR

Which device is used to measure current in a circuit?

• Wattmeter

• Voltmeter

• Ohmmeter

• Ammeter

What happens to the resistance of a wire when its length is doubled?

• It quadruples

• It stays the same

• It halves

• It doubles

Which type of circuit has only one path for the current to flow?

• Both series and parallel

• Parallel circuit

• Series circuit

• Combination circuit

Which component is used to store electrical charge?

• Transistor

• Resistor

• Capacitor

• Diode

Which material is commonly used as a semiconductor in electronic devices?

• Si

• Al

• H

• He

Which law states that the total current entering a node must equal the total current leaving the node?

• Ohm's Law

• Kirchhoff's Current Law

• Kirchhoff's Voltage Law

• Faraday's Law

Which component is used to control the flow of current in a circuit?

• Transistor

• Capacitor

• Resistor

• Diode