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Authored by KEERTHI BADUGU

Computers

Professional Development

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which of the following is NOT a passive component?

Transistor
Inductor
Capacitor
Resistor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. The unit of inductance is:

ohm
watt
volt
henry

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. The primary purpose of a transformer is to:

increase current levels
change voltage levels
store electrical energy
convert AC to DC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Which of the following is a characteristic of a DC motor?

Converts alternating current into thermal energy
Converts direct current into mechanical energy
Generates electrical energy from mechanical motion
Uses batteries to store energy for later use

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. The difference between a diode and a Zener diode is:

A diode allows current in both directions; a Zener diode does not allow reverse current.
A diode can only operate at high frequencies; a Zener diode operates at low frequencies.
A diode is used for voltage regulation; a Zener diode is used for signal amplification.
A diode allows current in one direction; a Zener diode allows reverse current at a specific voltage.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. What will the following code output?

python

CopyEdit

print(2 * 'Hello' + 'World')

HelloHelloWorld
WorldHelloHello
HelloWorldHello
HelloHelloHello

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.Which of the following is the correct syntax to create a set in Python?

set([1, 2, 3]) or {1, 2, 3}
set(1, 2, 3)
list(1, 2, 3)
{1; 2; 3}

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