2365 Unit 602 RJH

What is the unit of electrical current?

• Volt
• Ampere
• Ohm
• Watt

What does a resistor do in a circuit?

• Increase voltage
• Decrease current
• Create a short circuit
• Store energy

Which component stores electrical energy?

• Resistor
• Diode
• Capacitor
• Transformer

What is the symbol for resistance?

• V
• A
• Ω
• W

What is the formula for Ohm's Law?

• V = I * R
• V = I / R
• V = R / I
• V = I + R

What does a voltmeter measure?

• Current
• Resistance
• Capacitance
• Voltage

What is the function of a diode?

• Store energy
• Allow current in one direction
• Measure voltage
• Increase resistance

What is the unit of power in an electrical circuit?

• Volt
• Ampere
• Ohm
• Watt

Which component is used to step up or step down voltage?

• Resistor
• Capacitor
• Transformer
• Inductor

What is the function of an inductor?

• Store charge
• Oppose changes in current
• Increase voltage
• Decrease resistance