Electrical Circuits 1 – Quiz #1

It is the unit of electric charge

• coulomb

• ampere

• volt

• ohm

1 ampere is equivalent to:

• 1 coulomb/second

• 1 second/coloumb

• 1 coulomb

• 1 coulomb/second²

The two types of elements present in an electrical circuit

• active and proactive

• active and reactive

• passive and proactive

• active and passive

A collection of electrical elements interconnected in some specified ways

• mechanical device

• electrical device

• electrical circuit

• logic circuit

This is also known as the electric potential difference

• current

• voltage

• electric charge

• resistance

Determine the total charge transferred over time interval 0 ≤ t ≤ 10 seconds when i(t) = ½t amperes

• 15 C

• 20 C

• 25 C

• 50 C

An electric heater takes 23.889 kcal in 20 minutes at 200 volts. What is the current drawn by the heater?

• 0.42 A

• 0.57 A

• 0.65 A

• 0.84 A

The current in an electric lamp is 5 amperes. What quantity of electricity flows towards the filament in 6 minutes?

• 1,200 C

• 1,800 C

• 2,400 C

• 3,000 C

A stove element draws 15 A when connected to a 120 V line. How long does it take to consume 30 kJ?

• 12.50 seconds

• 16.67 seconds

• 20.33 seconds

• 36.00 seconds

A rechargeable flashlight battery is capable of delivering 85 mA for about 12 H. How much charge can it release at the rate?

• 3.7 kC

• 4.5 kC

• 10.2 kC

• 13.5 kC