Ohm's Law Quiz

Which of the following components obey Ohms Law? (2 Answers)

• Resistors

• Ohmic components

• Non-ohmic components

• All of the above

In physics, potential difference represents ________.

• Current

• Resistance

• Voltage

• None of the above

What is the unit of voltage?

• Volt

• Watt

• Ampere

• Coulomb

Ohm's law describes the mathematical relationship between

• resistor size and resistor value

• ohms, kilohms, and megohms

• resistance, voltage, and current

• None of the above

When the length of the conductor is doubled and the area of cross-section remains the same then its resistance ____.

• Will be doubled

• Remains the same

• Will become half

• Will increase by four times

What is the unit of resistance?

• Ohm

• Ohm2

• Volt

• Watt

Ohmic components obey Ohm's law

• True

• False

Is ampere the unit of resistance?

• Yes

• No

Ohm's law states:

• VI² = R

• V = IR

• V/I = R²

• R = I/V

Ohms Law is not applicable to which of the following options

• DC Circuits

• High Currents

• Small resistors

• Semi-conductors