Electrical Power

What is the SI symbol for electrical power?

• W

• P

• S

• J

What is the SI unit symbol for power?

• W

• P

• S

• J

What is the equation we can use to find a value for power?

What is electrical power measured in?

• Watts

• Amperes

• Ohms

• Coulombs

A 15 amp load is running on a 100v supply, what power will it draw?

• 150w

• 15w

• 6.6w

• 1500w

You buy a 1500w air fryer and plug it in to a 230V circuit in your kitchen. How many amps will it use?

• 6.5A

• 345A

• 13A

• 65A

You are asked to install a 8kW power shower. What size MCB would you choose?

• 20A

• 32A

• 40A

• 63A

A 1.61 Kw load pulls 7 amps, what would the voltage be?

• 150V

• 400V

• 110V

• 230V