ELECTRO QUIZZER R3

In an AC circuit, what is the phase difference between voltage and current in an inductor?

• 0 degrees

• 90 degrees

• 180 degrees

• 270 degrees

What is the power factor of a purely resistive circuit?

• 0.5

• 0

• Undefined

• 1

Which law describes the relationship between the current flowing through a conductor and the voltage across it, assuming constant temperature?

• Faraday's Law

• Kirchhoff's Voltage Law

• Ohm's Law

• Ampere's Law

What is the SI unit of electrical conductance?

• Ohm

• Ampere

• Volt

• Siemens

Which type of motor is known for its high starting torque and is commonly used in applications requiring rapid acceleration?

• Synchronous motor

• Stepper motor

• DC motor

• Induction motor

What is the characteristic of an inductor in an AC circuit?

• It stores electrical energy in a magnetic field

• It resists changes in current

• It has no effect on frequency

• It decreases voltage

Which of the following is a passive electrical component?

• Transistor

• Diode

• Thyristor

• Capacitor

Which type of electrical motor is typically used in elevators and conveyor belts due to its precise control of position and speed?

• DC motor

• Induction motor

• Synchronous motor

• Stepper motor

Which semiconductor device is commonly used for switching applications in power electronics?

• Diode

• Field Effect Transistor

• Thyristor

• Bipolar Junction Transistor

Which of the following is NOT a type of electric generator?

• Alternator

• Dynamo

• Inverter

• Turbine generator