Electronics Quiz

What is the unit of capacitance?

• Henry

• Farad

• Ohm

• Volt

A 10µF capacitor is connected to a 12V source. What is the charge stored?

• 120µC

• 12µC

• 1.2mC

• 120mC

Capacitors in parallel result in:

• Increased total capacitance

• Decreased total capacitance

• No change in capacitance

• Zero capacitance

Ohm's Law states:

• The current is directly proportional to the resistance and inversely proportional to the voltage.

• The current is directly proportional to the voltage and inversely proportional to the resistance

• The voltage is directly proportional to the resistance and inversely proportional to the current.

• The voltage is directly proportional to the current and inversely proportional to the square of the resistance.

If a resistor of 4Ω has a current of 2A flowing through it, what is the voltage across it?

• 2V

• 4V

• 8V

• 16V

A 10Ω resistor dissipates 20W of power. What is the current?

• 2A

• 4A

• 10A

• 5A

Which is an example of a semiconductor?

• Copper

• Silicon

• Iron

• Platinum

In an N-type semiconductor, the majority carriers are:

• Holes

• Electrons

• Neutrons

• Protons

The process of adding impurities to a pure semiconductor is called:

• Doping

• Rectification

• Amplification

• Biasing

What is the typical forward voltage drop of a silicon diode?

• 0.3V

• 0.7V

• 1.1V

• 2V