Free Printable SCIENCE 8 - 1ST MONTHLY TEST ( 4TH Q )

Worksheets

SCIENCE 8 - 1ST MONTHLY TEST ( 4TH Q )

Total questions: 20

Worksheet time: 23mins

Name

Class

Date

This is an example of a -------- circuit.

Series

Parallel

Combination

This is an example of a -------- circuit.

Series

Parallel

Combination

The total resistance in this circuit is

100 ohms

450 ohms

400 ohms

30 ohms

The total current through this circuit is

0.02 amps

0.09 amps

50 amps

9 amps

The voltage dropped across the 300 ohm resistor is

6 V

9 V

2 V

30 V

As resistors are added in series to a circuit, the total resistance will...

increase

decrease

stay the same

In a parallel circuit which of the following is the same value throughout the circuit?

Voltage

Current

Resistance

Charge

The current going through the 45 ohm resistor is

0.05 amps

0.2 amps

0.1 amps

5 amps

The total resistance of this circuit is

25 ohms

315 ohms

324 ohms

90 ohms

10.

A series circuit has how many pathways for the electrons to flow?

Two

One

Many

Zero

11.

What is one problem with using a series circuit?

It has a lot of series.

If one light goes down, they all go down!

It doesn't work properly.

There are no problems.

12.

What is a benefit of using a parallel circuit?

It gets confusing.

There are no problems.

If one light goes out, it does not affect the others.

If one light goes out, they all go out.

13.

What is the definition of electrical current?

The opposition to the flow of electrons

The rate of flow of charge

The work done on each coulomb of charge

Electrons moving around

14.

This circuit has more than one loop. When one light goes out, the others stay on.

closed circuit

series circuit

parallel circuit

open circuit

15.

Potential difference is another word for (a) .

16.

The symbol for current is …., it is measured in ……………….

I...current

I......ampere

ampere........I

non of the above

17.

kWh stand for

kilowestohm

kilometwer

kilowatt hour

18.

A 35 Ohm lamp , a 25 Ohm lamp and a 15 ohm lamp are connected in series and placed across a potential difference of 120 V. Calculate the total current (I_t).

(a)

19.

Three resistors, 60.0 , 30.0 , and 20.0 , are connected in parallel across a 90.0-V battery. Calculate a. total resistance (R_t) b. total current ( I_{t )}

(a)

20.

750-watt hairdryer is used for 15 minutes. Calculate the energy consumption of the hairdryer in KWH

(a)

100 %

SCIENCE 8 - 1ST MONTHLY TEST ( 4TH Q )

Total questions: 20

Worksheet time: 23mins

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