True Power

True Power

12th Grade

7 Qs

quiz-placeholder

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True Power

True Power

Assessment

Passage

Science

12th Grade

Hard

Created by

Tom Eccles

Used 6+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of True Power?

The rate of using energy in a certain amount of time.

The total energy consumed by a device.

The potential energy stored in a device.

The energy dissipated as sound.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is True Power calculated in a circuit?

By dividing energy by time.

By multiplying voltage and current.

By dividing voltage by current.

By multiplying resistance with the square of current.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does True Power reflect in a resistor?

The RMS values of voltage and current.

The peak values of voltage and current.

The kinetic energy of electrons.

The potential difference across the resistor.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a purely resistive circuit, how are voltage and current related?

Current leads voltage by 90 degrees.

Voltage and current are 'in-phase' with each other.

Voltage leads current by 90 degrees.

Voltage and current are inversely proportional.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of 'phase angle' in AC circuits?

It determines the efficiency of power transmission.

It represents the difference between voltage and current in a circuit.

It indicates the resistance of the circuit.

It measures the direct current component.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is NOT a characteristic of True Power?

Performs useful work, like producing heat or light.

Voltage and current pass through the same instances of time on a sine wave.

Depends on the 'power factor' in a purely resistive circuit.

Product of Voltage and Current (P=VxI).

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a 'phasor' represent in AC circuits?

The maximum power transfer in a circuit.

The relationship between voltage and current.

The frequency of the alternating current.

The resistance of the circuit.