Question

question is png please answer please answer all questions please I will mark you BRAINLIEST
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Answer 1

Answer:

I) The electric devices are

i) Heating effect of current is used: Room heater and geyser.

ii) Magnetic effect of current is used: Cranes and electric bell.

2)open circuit and closed circuit answer is in above picture

3) When the bell is pressed, the contact screw touches the iron strip and the circuit is completed. ... The electromagnet becomes magnetised and the soft iron armature is attracted towards the electromagnet. The movement of the iron causes the hammer to hit the gong.

diagram is in above picture

4) Miniature circuit breakers (MCB)

5) Iron

6)Element

7) a) heating effect

This electric iron works on the principle of the heating effect of electric current. The metal gets heated when the current flows on it. This is because, when the electric current flows through the metal surface, all the electrons present in the metal energize and get vibrated.

b) The value is that pinky has pushed her daughter from that place