Question
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Solving time: 3 mins
The supply voltage to room is . The resistance of the lead wires is . A bulb is already switched on. What is the decrease of voltage across the bulb, when a heater is switched on in parallel to the bulb? (a) Zero (b) (c) (d)
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Question Text | The supply voltage to room is . The resistance of the lead wires is . A bulb is already switched on. What is the decrease of voltage across the bulb, when a heater is switched on in parallel to the bulb?
(a) Zero
(b)
(c)
(d) |
Updated On | Jul 16, 2023 |
Topic | Current Electricity |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 8 |
Upvotes | 929 |
Avg. Video Duration | 8 min |