Electrics Quiz

WHAT IS ELECTROMOTIVE FORCE ?

• Amount of energy provided by the resistor

• Amount of energy provided by the battery

• Amount of energy provided by the capacitor

• Amount of energy provided by the ammeter

EMF can be measured by

• Ammeter

• Resistor

• Voltmeter

• Capacitor

What is current ?

• rate of electron flow within a closed circuit

• rate of atom movement within the circuit

• Electron flowing from positive to negative

• obstruction in a circuit

Resistance measured in

• Amphere

• Ohm

• Volt

• Farad

The longer the wire, the resistance will

• Remain the same

• Decrease

• Incerease

• Increase then decrease

The symbol represent ?

• Fixed Resistor

• Variable capacitor

• Alternating Current

• Variable resistor

State Ohm's Law

• I = VxR

• V = IxR

• R = I/V

• V = I/R

Calculate the circuit resistance, if the battery has 12 V with 4amp of current

• 4 ohm

• 0.3 ohm

• 48 ohm

• 3 ohm

When a force produces a movement within a period of time, also known as

• Acceleration

• Work Done

• Power

• Kinetic

Power can be formulated by

• P = V/R

• P = V x I

• P = V x R

• P = I x R