Question
Will the compass needle show deflection, when the switch in the circult shown by figure is closed?
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Answer
Yes, the compass needle shows the deflection, when switch is closed or circuit is complete. On closing the circuit, current flows through the coil and it gets magnetised. Thus, due to this magnetic effect of current, compass needle shows deflection.
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→In Ladakh, people build ice stupas to conserve water.
Q.1. Why are they conical?
(a) Look aesthetic
(b) Symbolic design
(c) Slow melting due to minimum exposed surface area
(d) Easy to build
Q.2. When do they release water?
(a) Winter$\quad$(b) Spring
(c) Summer$\quad$(d) Monsoon
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