Science MCQ

Study the three electric circuits below. Each of them has a glass rod (G), a steel rod (S), and a wooden rod (W)
In which of the electric circuits would the bulb not light up.

Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up

Picture based Question
Three conductors are joined as shown in the diagram
The current in conductor RS is 10 A. The current in conductor QR is 6 A. What will be the current in conductor P

In which of the following circuits are the bulb connected in series?

Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?

In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?

In the circuit diagram below, 10 units of electric charge move past point x every second What is the current in the circuit ______.

Electricians wear rubbers gloves because it is ____________

Which of the following is the symbol for a bulb?

Magnetic effect of current was discovered by ____________

Which one of the following phenomenon occurs when two naked wires of electricity supply line touch other?

Which of the following is an electrical conductor?

A battery is a group of _______

________ cell is used to operate devices such as mobile phones, computers and emergency lights

_______ was developed is 1887 by Yei Sakizo of Japan

In an electric circuit, the current starts from

An electric component used as a safety device is electric circuit is