Which of the following statements is false about using household electrical appliances?
Important Questions on Electricity
A negatively charged body is connected to the ground, then choose the correct statement.
(A) Electrons flow from body to ground.
(B) It becomes positively charged.
Write the following steps in sequential order to explain the working of an electric bell.
(A) When current passes through the coil, it behaves like a magnet and attracts (pulls) the iron strip.
(B) No more does the coil behave as an electromagnet and the attraction between the coil and the iron strip is lost. Because of this the iron strip gets back to its original position and touches the screw.
(C) The hammer connected to iron strip also moves and strikes the gong because of which, sound is produced.
(D) When the iron strip is pulled towards the coil, it loses contact with the screw and the circuit becomes open circuit.
(E) Once again the circuit is closed, and the above process is repeated.
