1.
Which of the following is not a good insulator?
2.
In which direction does the electric current flow in an electric circuit?
3.
Which of the following materials is considered a good conductor?
4.
An electric circuit consists of a battery and a copper thread which is connected in parallel to a rubber thread. What will happen ?
5.
Which of the following is an electrical component used to temporarily store electrical energy in an electric field ?
6.
Which of the following sentences is correct?
7.
Which of the following components restricts the electric current flow to a single direction?
8.
Which of the following is an electric component that can break an electric circuit by interrupting the current or diverting it from one conductor to another?
9.
A light bulb's power is given as 4W. The bulb's resistance is 16Ω. What will the current flowing through the light bulb be if put under the optimal voltage ?
10.
What is an electric current?