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Current Electricity
Resistance of 220 V, 100 W lamp will be
4840 Q
484 ft
4.84 Q
48.4 Q
4840 Q
484 ft
4.84 Q
48.4 Q
Answer
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Related Question
Current Electricity
Insulators have _______ temperature co-efficient of resistance.
None of the listed here
Positive
Negative
Zero
None of the listed here
Positive
Negative
Zero
Answer
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Current Electricity
Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across
Rl
None of them
Either Rl or Ri
Ri
Rl
None of them
Either Rl or Ri
Ri
Answer
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Current Electricity
In a lamp load when more than one lamp are switched on the total resistance of the load
Increases
None of these
Remains same
Decreases
Increases
None of these
Remains same
Decreases
Answer
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Current Electricity
An open resistor, when checked with an ohmmeter reads
High but within tolerance
Infinite
Zero
Low but not zero
High but within tolerance
Infinite
Zero
Low but not zero
Answer
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Current Electricity
Voltage dependent resistors are usually made from
Charcoal
Silicon carbide
Graphite
Nichrome
Charcoal
Silicon carbide
Graphite
Nichrome
Answer
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