Transcription of 14 Effects Electric Current and Its - National …
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14 Electric Current and Its Effects MULTIPLE CHOICE QUESTIONS. 1. When an Electric Current flows through a copper wire AB as shown in , the wire h ed pu T. is re ER. bl be NC. Fig. (a) deflects a magnetic needle placed near it.. (b) becomes red hot. (c) gives Electric shock. (d) behaves like a fuse. o 2. Choose the statement which is not correct in the case of an tt Electric fuse. no (a) Fuses are inserted in Electric circuits of all buildings. (b) There is a maximum limit on the Current which can safely flow through the Electric circuits. (c) There is a minimum limit on the Current which can safely flow in the Electric circuits. (d) If a proper fuse is inserted in a circuit it will blow off if Current exceeds the safe limit.
76 EXEMPLAR PROBLEMS 3. Three bulbs A, B, C are connected in a circuit as shown in Figure 14.2. When the switch is ‘ON’ (a) bulb C will glow first. (b) bulb B and C will glow simulaneously and bulb A will
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