Ohm's Law and circuits

What unit is used to measure voltage?

• Ohms

• Omega

• Volts

• Amps

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

What kind of circuit is this?

• series

• parallel

The picture shows an electrical circuit. This circuit is a series circuit because: 

• It has 3 light bulbs.

• The same current flows through all three light bulbs.

• It uses a single battery.

• The electrical current has more than one path to flow through

What type of circuit is this?

• Other

• Series Circuit

• Parallel Circuit

• Both

An overhead wire has a potential difference of 30,000 volts. If the current flowing through the wire is 1,000 amperes, what is the resistance of the wire?

• 0.033 ohms

• 30 ohms

• 3.0 x 10^7 ohms

• 3.0 x 10^8 ohms

If the potential difference is 12 volts and the resistance is 5 ohms, what is the current?

• 2.4 A

• 60 A

• 0.417 A

• 17 A

Solve for the total RESISTANCE of the circuit shown?

• 50 V

• 1970 Ohms

• 705 K Ohms

• 256 Amps

Solve for total Current in the circuit shown

• 25 Amps

• 39.4 amps

• 0.025 amps

• 0.035 amps

What is the total circuit resistance of the following five resistors connected in series?

R1 = 27 Ohms

R2 = 33 Ohms

R3 = 51 Ohms

R4 = 1.2 k Ohms

R5 = 240 Ohms

Rt = __________ Ohms

• 352.2 V

• 1551 Ohms

• 1.9 K

• 352.2 Ohms