observe that the bulb does not glow in the circuit shown in the figure as usual change the circuit as shown in the figure the observed deflection in the magnetic compass.1. what does the deflection in the magnetic compass indicate. 2. why did the world don't glow in the figure a.3. what will be the effect of increase in the number of turns in the coil round around the magnetic compass in figure b. 4. what will be observed if the number of cells are increased in the circuit shown in the figure b.
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(i) It indicates the presence of current in the circuit. (ii) The bulb did not glow because the current was not sufficient to make it glow
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