Electricity Review

This measures the speed of the current in a circuit

• voltage
• ammeter
• switch
• resistance

Which circuit (s) are parallel?

• A
• A and B
• B and C
• C

Which one will still function if one light bulb goes out?

• A-Series
• B-Parallel
• A-Parallel
• B-Seriese

With three 10 resistors connected in series with a 30 volt power supply, the total circuit current will equal ____.

• 300 amps

• 1 amp

• 150 amps

• .001 amps

If R3 is replaced by a 10 ohm resistor, the current in the circuit will ______

• increase

• descrease

• remain the same

Which resistor has the most current passing through it?

• R1

• R2

• R3

• they all have the same current

When a resistor in a series circuit is replaced by another resistor with an increased resistance value, the total circuit current will __________.

• stay the same

• decrease

• increase

• double in value

What is the total circuit resistance of two 25 ohm resistors and three 75 ohm resistors connected in series?

• 100 ohms

• 200 ohms

• 275 ohm

• 175 ohms

What happens to total current in a series circuit when the total voltage stays the same, circuit resistance decreases, current will ____________.

• increase

• Stay the same

• Decrease

The illustration depicts a short circuit.

• True

• False