Applied Electricity Quiz

What is the SI unit of electric current?

• Volt

• Coulomb

• Ohm

• Ampere

The opposition to current flow in a material is known as:

• Conductance

• Voltage

• Resistance

• None of the options

Which law states that the current in a circuit is directly proportional to the voltage and inversely proportional to the resistance?

• Kirchhoff's Current Law

• Faraday's Law

• Ohm's Law

• Lenz's Law

The total resistance of three 10 Ω resistors connected in series is:

• 3.33 Ω

• 10 Ω

• 30 Ω

• 100 Ω

What is the reciprocal of resistance?

• Reactance

• Conductance

• Reluctance

• Capacitance

The property of a material that opposes the establishment of a magnetic field is called:

• Permeability

• Retentivity

• Reluctance

• Conductivity

A current that remains constant with time is known as:

• Alternating Current (AC)

• Direct Current (DC)

• Static Current

• Induced Current

The ability of a capacitor to store charge per unit voltage is its:

• Resistance

• Inductance

• Capacitance

• Reactance

The SI unit of magnetic flux is the:

• Tesla

• Weber

• Henry

• Gauss

In a purely capacitive AC circuit, the current:

• Is in phase with the voltage

• Lags the voltage by 90°

• Leads the voltage by 90°

• Is zero