Question 11 MarkWhen an electric current flows through a wire, it behaves like a magnet.AnswerTrueView full question & answer→
Question 31 MarkElectric fuse is based on the magnetic effect of electric current.AnswerFalseView full question & answer→
Question 41 MarkCFLs consume more electricity than an ordinary bulb.AnswerFalseView full question & answer→
Question 51 MarkA fuse is used to save energy in the electric circuits.AnswerFalseView full question & answer→
Question 61 MarkThe element of an electric iron is made of tungsten.AnswerFalseView full question & answer→
Question 81 MarkThe key or switch can be placed anywhere in the circuit.AnswerTrueView full question & answer→
Question 101 MarkAn electromagnet does not attract a piece of iron.AnswerFalseView full question & answer→
Question 111 MarkWhen the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.AnswerTrueView full question & answer→
Question 121 MarkTo make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.AnswerFalseView full question & answer→
Question 131 MarkA fuse works on the principle of heating effect of electric current.AnswerTrueView full question & answer→
Question 141 MarkWhen two or more appliances or devices are connected to a single socket. This is the condition of short circuiting.AnswerFalseView full question & answer→
Question 151 MarkWhen positive terminals of two different cells are connected with each other, it becomes a battery.AnswerFalseView full question & answer→