Answer:
Resistance
of combination of three bulbs in parallel
If R
is the resistance of each wire, then
or
or
Current in each bulb, (1)
(a)When bulb gets fused, the
currents in and remain
same so their glow remains
unaffected. (1)
(b) When bulb gets fused, the
current in becomes zero and currents in and remains
1 A.
Total current,
Current in ammeter,
Current in ammeter,
Current in ammeter,
Current in ammeter, (2)
(c) When all the three bulbs are connected.
Power decapitated, (1)
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