Basic Electrical n resistance

Choose which is NOT the function of resistor in an electrical circuit.

• Limit current flows

• Divide voltage

• Store energy in its electric field

• Generate heat

Which component is used to transfer electric energy from one circuit to another?

• Capacitor

• Inductor

• Transformer

• Fuse

What is the SI unit for charge?

• Joule

• Ampere

• Volt

• Coulomb

What is the formula for calculating voltage in an electric circuit?

• V = I^2R

• V = W/Q

• V = P/t

• V = IR

What is the rate at which energy is used known as?

• Power

• Current

• Charge

• Voltage

Which electrical component is used to protect equipment from power overload?

• Switches

• Relay

• Transformer

• Fuses

What is the function of a potentiometer in an electrical circuit?

• Connecting or breaking current in a circuit

• Divide voltage

• Store energy in magnetic field

• Store energy in its electric field

What is the unit of power in an electric circuit?

• Coulomb

• Watts

• Ampere

• Joules

What is the factor for the prefix 'kilo' in the metric system?

• 10^-3

• 10^3

• 10^6

• 10^12

What is the SI unit for resistance in an electric circuit?

• Ohm

• Watt

• Volt

• Ampere