Class 6 Science Chapter 12 MCQ Online Test for 2020-2021
|Chapter: 12||Electricity and Circuit|
|Contents:||MCQ Online Test with answers|
Class 6 Science Chapter 12 MCQ Test with Answers
The filament of an electric bulb is made of a thin wire of:
In an electric bulb, light is produced due to the glowing of
[A]. The glass case of the bulb
[B]. The thin filament
[C]. The thick wires supporting the filament
[D]. Gases inside glass case of the bulb
A torch bulb will normally work on 4.5-volt electricity is connected to domestic electricity supply of 220 volts. Which of the following will happen to this torch bulb?
[A]. It will grow very brightly
[B]. It will grow very dimly
[C]. It will not glow
[D]. It will get fused
Which of the following statement is or are correct?
[A]. Electricity is a very clean form of energy.
[B]. We use electricity to run many appliances on machines in our day to day life which make our work easier.
[C]. Electricity is produced at power stations which is also known as power plants.
[D]. All the above
Which of the following is involved in the working of a torch bulb?
[A]. Chemical effect of current
[B]. Magnetic effect of current
[C]. Heating effect of current
[D]. Shocking effect of current
An example of non-conductor of electricity is a:
[C]. Rubber gloves
[D]. Metal spoon
The part of a torch bulb which gives off light is the:
[D]. Metal cover
In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?
[A]. When the filament or thin wire of a bulb gets broken, the bulb is said to be fused.
[B]. If we make a circuit using cotton threads or jute strings then the bulb will glow.
[C]. The switch is a simple device which is used to “open” or “close” a circuit
[D]. None of the above
In a quiz competition, you are asked a question where you have to choose the statement which is / are incorrect?
[A]. Due to complete circuit, electricity starts flowing in the circuit and electrical appliances will start working.
[B]. The purpose of using a switch is to “turn on” or “turn off” an electrical appliance by closing the circuit or opening the circuit respectively.
[C]. Some of the electrical appliances are torch, radio set, table lamp etc.
[D]. Electricity does not flow through an open circuit and close circuit.
Consider the following statements and choose the correct one:
[A]. Conductors are used to carry electricity or electric current.
[B]. Insulators are used for safety and they protect us from getting electric
[C]. Those parts of an electrical component or appliances through which electric current has to pass, are made of conductors like metal on metal alloys.
[D]. All the above.
Priyanka is writing some statements, choose the incorrect statement and help him:
[A]. All the objects made of insulator materials are also insulators.
[B]. A torch gates electricity from the cell kept inside it.
[C]. No electricity passes through the broken filament or a fused bulb
[D]. None of the above