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Worksheets

BASICS - REVISITED

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.

Choose the Passive Component.

a)

Transistor

b)

Diode

c)

Resistor

d)

Integrated Circuit

2.

Units of Inductor.

a)

Farad

b)

Ohm

c)

Henry

d)

Ampere

3.

When two batteries (1.5V) connected in series, What we will get?

a)

1.5V

b)

0V

c)

0.75V

d)

3V

4.

A Diode is a linear device:

a)

True

b)

False

5.

By connecting the Resistors in ————- Form we can Increase the value of resistance.

a)

series

b)

parallel

6.

Conventional Current assumes that current flows out of the positive terminal of the battery and flow through the circuit and into the negative terminal of the battery:

a)

True

b)

False

7.

For a N type semi conductor which of the following is doping material:

a)

a trivalent material

b)

a pentavalent material

8.

What is the color code for a 220 5% resistor?

a)

Red, Red, Brown, Gold

b)

Orange, Orange, Black, Gold

c)

Red, Red, Black, Gold

d)

Red, Red, Brown, Silver

9.

A short circuit will have:

a)

a small current flow

b)

a large current flow

c)

no current flow

d)

some current flow

10.

If doubling the voltage across a resistor doubles the current through the resistor then

a)

the resistor value decreased

b)

the resistor value did not change

c)

the resistor value increased

d)

it is impossible to determine the change in the resistor value

11.

What is the power in the given circuit?

a)

3.5W

b)

35W

c)

0.35W

d)

350W

12.

What is the current through the diode?

a)

1 mA

b)

0.975 mA

c)

0.942 mA

d)

0 mA

13.

Choose the true statement below concerning DC currents:

a)

DC stands for Direct Computing and electrons flow in multiple pathways

b)

DC stands for direct current and electrons flow in multiple directions

c)

DC stands for direct current and the electrons do not flow

d)

DC stands for direct current and the electrons flow in only one direction

14.

What does this picture show?

a)

A multimeter

b)

A breadboard

c)

A circuit board

d)

A resistor

15.

Which color wire is used for ground?

a)

red

b)

black

c)

green

d)

white