AA Chapter 1 practice

Write your real name for attendance marking

(a)  

Determine the value of a resistor that allows a current of 500 mA to flow when a 100 V is applied.

• 150Ω

• 200Ω

• 500Ω

• 580Ω

Determine the value of a resistor that allows a current of 0.5 A to flow when a 150V is applied.

• 100Ω

• 250Ω

• 300Ω

• 380Ω

A current of 500mA passes through a circuit having a resistance of 100Ω. Find the voltage across the circuit.

• 50V

• 60V

• 70V

• 80V

A current of 200mA passes through a circuit having a resistance of 60Ω. Find the voltage across the circuit.

• 20mV

• 6V

• 10V

• 12V

A current of 850μA passes through a circuit having a resistance of 10kΩ. Find the voltage across the circuit.

• 5V

• 8V

• 8.5V

• 10.5V

A circuit has a resistance of 50 ohms and a current of 2 amperes flowing through it. What is the voltage across the circuit?

• 25V

• 50V

• 100V

• 200V

If a resistor has a voltage of 12 volts applied across it and a current of 3 amperes passing through it, what is its resistance?

• 4Ω

• 9Ω

• 18Ω

• 35Ω

A circuit has a resistance of 20 ohms and a voltage of 60 volts applied across it. What is the current passing through the circuit?

• 3mA

• 30mA

• 1A

• 3A

What does Kirchhoff's Voltage Law state?

• The sum of the currents entering a junction is equal to the sum of the currents leaving it.

• The sum of the voltages in any closed loop in a circuit is equal to the sum of the voltage sources in that loop.

• The sum of the resistances in a parallel circuit is equal to the sum of the resistances in a series circuit.

• The sum of the resistances in a series circuit is equal to the sum of the resistances in a parallel circuit.