STATIC ELECTRICITY QUIZ 1 [ GRADE 10 BRITISH SBIS]

1.

Multiple Choice

2 mins

1 pt

A plastic rod and a piece of cloth are both uncharged. A student rubs the plastic rod with the cloth. The plastic rod becomes negatively charged.

Which row of the table is correct for the charge on the cloth?

POSITIVE AND BIGGER CHARGE

POSITIVE AND EQUAL CHARGE

NEUTRAL CHARGE

NEGATIVE AND SMALLER CHARGE

2.

Multiple Choice

2 mins

1 pt

The student then holds the plastic rod near to a stream of water coming from a tap. The stream of water bends towards the plastic rod.

Which shows the correct arrangement of charges in the stream of water?

FULL NEGATIVE CHARGE IN WATER

FULL POSITIVE CHARGE IN WATER

NEAR TO ROD POSITIVE CHARGE COMES IN WATER

NEAR TO ROD NEGATIVE CHARGE COMES IN WATER

3.

Multiple Choice

3 mins

1 pt

A torch has a battery and a bulb. The current in its circuit is 0.08 A. Calculate the amount of charge passing a point in this circuit in 2 minutes.

9.9 C

9.3 C

9.6 C

0.16 C

4.

Multiple Choice

1 min

1 pt

Charge, Q is expressed in _____________

Ampere or AMPS [ A]

Second or S

Joules or J

Coulomb or C

5.

Multiple Choice

2 mins

1 pt

An electrostatic air filter is designed to remove dust particles from the air in a room. A fan blows dusty air past several metal rods and metal plates.

When dusty air goes past the metal rods, the dust particles become negatively charged. This is because the dust particles

Lose electrons

Lose protons

Gain electrons

Gain protons

6.

Multiple Choice

3 mins

1 pt

There is a current of 1.2 mA in a circuit. Calculate the charge transferred by this current in 40 s. State the unit

0.048 C

0.068 C

48 C

0.068 A

7.

Multiple Choice

3 mins

1 pt

A student ties two balloons to a support with some string. The student rubs both balloons with a dry cloth which gives the balloons a negative charge. The diagram shows the balloons after they were rubbed.

The balloons ............................................... each other because they have the same ..............................................

The cloth is left with a ............................................... charge.

Attract , Charge, Positive

Attract, Current, Negative

Repel , Charge, Positive

Repel , Current, Positive

8.

Multiple Choice

1 min

1 pt

The particles that flow in the metal wire are

Atoms

Electrons

Protons

Neutrons

9.

Multiple Choice

1 min

1 pt

The three methods of charging are

Conduction,Insulation and Friction

Conduction , Induction and Friction

Conduction ,Radiation and Friction

Induction, Contact and Insulation

10.

Multiple Choice

3 mins

1 pt

A lightning strike on a metal tower can be described as follows In the cloud, A thunder cloud contains moving ice particles. Some of these ice particles are negatively charged and some are positively charged. The negatively charged particles move to the bottom of the cloud.

During the lightning flash. Eventually a flash of lightning travels between the cloud and the tower.

Charge on top of the cloud is__________a________________

Charge on top of the tower is__________b________________

a.Negative b.Negative

a.Negative b.Positive

a.Positive b.Positive

a.Positive b.Negative

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