Current

What is the unit of current?

• ohm

• ampere

• volt

• joule

An ammeter is a device that can be used to measure_____________.

• current

• voltage

• resistance

• power

In a series circuit, which of the following is the same throughout the circuit?

• Resistance

• Voltage

• Current

• Power

By convention, current is defined as flowing from ______________ to ______________.

• positive, negative

• positive, positive

• negative, positive

• negative, negative

Which best describes a parallel circuit?

• Electricity flows along one pathway.

• Electricity flows along more than one pathway.

• The flow of electricity comes from more than one source.

What do the arrows in the circuit represent?

• conventional current flow

• electron flow

• voltage

• resistance

Which instrument is shown in the picture?

• voltmeter

• ammeter

• multimeter

• thermometer

How to we connect an ammeter

• connected in series.

• connected in parallel.

If the reading of A₁ is 0.3 A, what is the reading of ammeter A₂?

• 0.1 A

• 0.2 A

• 0.3 A

• 0.4 A

A parallel Electric circuit was set up as shown in the diagram. The reading of Ammeter A₁ is _________ A.

• 0.1 A

• 0.12 A

• 0.7 A

• 0.21 A