ISCET Electronic Components & Circuit Analysis

Question 1

What is the function of a capacitor in an electronic circuit?

Accepted Answer

To store and release electrical energy

Answer

To amplify signals

Answer

To generate electricity

Answer

To block current completely

Question 2

What happens when a diode is forward biased?

Accepted Answer

It allows current to flow

Answer

It blocks all current

Answer

It acts like a resistor

Answer

It stores charge

Question 3

What is Ohm’s Law?

Accepted Answer

V = IR

Answer

V = I/R

Answer

V = R/I

Answer

V = I + R

Question 4

Which component is used to resist current in a circuit?

Accepted Answer

Resistor

Answer

Inductor

Answer

Transistor

Answer

Capacitor

Question 5

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Ampere

Answer

Volt

Answer

Watt

Question 6

Which device is used to control current in a circuit?

Accepted Answer

Transistor

Answer

Resistor

Answer

Diode

Answer

Capacitor

Question 7

How is total resistance calculated in a series circuit?

Accepted Answer

Add all resistances

Answer

Multiply all resistances

Answer

Divide largest by smallest

Answer

Subtract the smallest from the largest

Question 8

Which of the following components is polarized?

Accepted Answer

Electrolytic Capacitor

Answer

Resistor

Answer

Inductor

Answer

Transformer

Question 9

What is the main function of an inductor in a circuit?

Accepted Answer

To store energy in a magnetic field

Answer

To convert AC to DC

Answer

To regulate voltage

Answer

To amplify signals