unit 107 electrical science ohms law

What is the unit of electrical charge?

• Volt
• Coulomb
• Ampere
• Ohm

If a current of 2A flows for 3 seconds, what is the electrical charge transferred?

• 6 Coulombs
• 5 Coulombs
• 4 Coulombs
• 3 Coulombs

What is the formula for Ohm's Law?

• V = IR
• P = IV
• Q = It
• E = mc^2

If a resistor has a resistance of 5 ohms and a current of 2A flows through it, what is the voltage across the resistor?

• 5V
• 8V
• 10V
• 12V

How much charge is transferred when a current of 0.5A flows for 10 seconds?

• 2 Coulombs
• 5 Coulombs
• 10 Coulombs
• 15 Coulombs

In a circuit with a voltage of 12V and a resistance of 3 ohms, what is the current flowing through the circuit?

• 2A
• 3A
• 4A
• 5A

What is the resistance of a component if a current of 3A flows through it with a voltage of 15V?

• 3 ohms
• 4 ohms
• 5 ohms
• 6 ohms

If 20 Coulombs of charge pass through a conductor in 4 seconds, what is the current?

• 4A
• 5A
• 6A
• 8A

How much charge is transferred when a steady current of 1.5A flows for 20 seconds?

• 10 Coulombs
• 20 Coulombs
• 25 Coulombs
• 30 Coulombs

What is the voltage across a 10-ohm resistor when a current of 1A flows through it?

• 5V
• 10V
• 15V
• 20V