Science & Principles RA01

Complete the following statement - The resultant electron flow around the circuit is called an electric...

• Voltage

• Power

• Resistance

• Current

Complete the following statement - The resultant energy produced by a circuit is called ...

• Voltage

• Power

• Resistance

• Current

Which of the following is NOT a conductor

• Copper

• Dirty water

• Air

• Gold

Which of the following is NOT an effect of an electric current

• thermal

• radiation

• chemical

• magnetic

Which of the following quantities is NOT correct

• Length is measured in Square metre (m²)

• Volume is measured in Cubic metre (M³)

• Joule (J) is the measure of Energy

• Power is measured in Watts (W)

Electrical Resistance is measured in

• A

• Ω

• V

• °C

Which of the following is NOT measured in ohms

• Inductive reactance

• Impedance

• Resistivity

• Capacitive reactance

Which of the following is the odd one out

• 1/2 = 0.5 = 50%

• 25% = 1/4 = 0.25

• 0.33 = 33% = 3

• 7/8 = 87.5% = 0.875

A circuit with a resistance of 12 ohms is connected to a 10 volt supply. The resultant current is

• 120 Amperes

• 1.2 Amperes

• 0.83 Amperes

• 0.83 Watts

The resistivity of copper is 0.0000000172 ohm/metre³

• 17.2 *10^-8 ohm/metre³

• 17.2 * 10^-9 ohm/metre³

• 1.72 * 10^-8 ohm/metre³

• 1.72 * 10^-9 ohm/metre³