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Current Electricity
A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
Heater will burn out
Decreases
Remains same
Increases
Heater will burn out
Decreases
Remains same
Increases
Answer
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Related Question
Current Electricity
One commercial unit of energy equals
Ten kilowatt-hour
One kilowatt-hour
One watt-hour
One watt-hour
Ten kilowatt-hour
One kilowatt-hour
One watt-hour
One watt-hour
Answer
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Current Electricity
Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.
Resistor
Capacitor
Reactor
Inductor
Resistor
Capacitor
Reactor
Inductor
Answer
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Current Electricity
In case of liquids, ohm's law is
Fully obeyed
None of the listed here
There is no relation between current and p. d
Partially obeyed
Fully obeyed
None of the listed here
There is no relation between current and p. d
Partially obeyed
Answer
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Current Electricity
Which of the following statement is true both for a series and a parallel D.C. circuit?
Elements have individual currents
Power are additive
Voltages are additive
Currents are additive
Elements have individual currents
Power are additive
Voltages are additive
Currents are additive
Answer
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Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is
14.14 mA
28.28 mA
0.707 mA
7.07 mA
14.14 mA
28.28 mA
0.707 mA
7.07 mA
Answer
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