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Current Electricity
What voltage drop will be there across a 1 kW electric heater whose resistance when hot is 40 Ω?
200 V
50 V
150 V
100 V
200 V
50 V
150 V
100 V
Answer
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Related Question
Current Electricity
Ohm's law is not applicable to
High voltage circuits
Circuits with low current densities
Vaccum tubes
Carbon resistors
High voltage circuits
Circuits with low current densities
Vaccum tubes
Carbon resistors
Answer
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Current Electricity
Resistance of 220 V, 100 W lamp will be
484 ft
48.4 Q
4.84 Q
4840 Q
484 ft
48.4 Q
4.84 Q
4840 Q
Answer
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Current Electricity
If the number of valence electrons of an atoms is less than 4,the substance is usually
None of the listed here
A conductor
An insulator
A semiconductor
None of the listed here
A conductor
An insulator
A semiconductor
Answer
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Current Electricity
Electric current is a
Scalar quantity
Sometimes scalar and sometimes vector
Number only
Vector quantity
Scalar quantity
Sometimes scalar and sometimes vector
Number only
Vector quantity
Answer
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Current Electricity
A closed switch has a resistance of
Infinity
Zero
About 500 ohms
About 50 ohms
Infinity
Zero
About 500 ohms
About 50 ohms
Answer
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