Electrical Science Quiz - Ohms Law

What is the unit of electric current?

• Volt (V)

• Watt (W)

• Ampere (A)

• Ohm (Ω)

What is the symbol for electric current?

• R

• V

• I

• E

What is the unit of resistance?

• Ampere (A)

• Watt (W)

• Volt (V)

• Ohm (Ω)

What is the symbol for resistance?

• E

• I

• R

• V

According to Ohm's law, what is the relationship between current, voltage, and resistance?

• Exponential relationship

• Inversely proportional

• Directly proportional

• No relationship

What is the total resistance of the circuit if R1 = 2Ω, R2 = 5Ω, R3 = 8Ω, and R4 = 3Ω?

• 10Ω

• 15Ω

• 18Ω

• 20Ω

What is the total resistance of the circuit if R1 = 9Ω, R2 = 12Ω, and R3 = 18Ω (connected in parallel)?

• 3Ω

• 12Ω

• 9Ω

• 6Ω

What is the unit of electric power?

• Volt (V)

• Watt (W)

• Ampere (A)

• Ohm (Ω)

What is the total resistance of the circuit if R1 = 4Ω, R2 = 6Ω, and R3 = 10Ω (connected in series)?

• 10Ω

• 15Ω

• 20Ω

• 25Ω

What is the symbol for electric power?

• P

• Q

• R

• S