Electrical Concepts Quizs

Total resistance of a series circuit consisting of three resistors with values of 100Ω, 250Ω, and 350Ω

• 600Ω

• 700Ω

• 800Ω

• 750Ω

Does NOT conduct electricity?

• Glass

• Copper

• Aluminum

• Iron

Current flowing in a circuit with a 12V battery and resistors of 60Ω, 30Ω, 100Ω, and 45Ω in series

• 51mA

• 75mA

• 100mA

• 25mA

Two values of a right-angled triangle used to calculate the tangent of an angle

• Adjacent and Opposite

• Hypotenuse and Opposite

• Adjacent and Hypotenuse

• Opposite and Angle

SI unit of measurement symbol for Luminous intensity is cd (candela).

• cd (candela)

• lm (lumen)

• lx (lux)

• W (watt)

An Electric storage heater uses the heating method of?

• Conduction

• Radiation

• Convection

• Induction

Quantity symbol for Impedance?

• Z

• R

• X

• Y

The voltage of the alternator is shown in the form of a?

• Sinusoidal waveform

• Square waveform

• Triangular waveform

• Rectangular waveform

A resistor network with three resistors 9Ω, 3Ω, 2Ω are connected in parallel. What will their combined resistance be?

• 105 ohms

• 1.5 ohms

• 6 ohms

• 4 ohms

Current cannot flow without potential difference (pd).

• Potential difference is necessary for current to flow.

• Current can flow without potential difference.

• Potential difference is not required for current flow.

• Current and potential difference are unrelated.