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प्रश्न
Consider the following combinations of resistors:
The combinations having equivalent resistance 1 Q is/are ______.
विकल्प
I and IV
Only IV
I and II
I, II and III
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उत्तर
The combinations having equivalent resistance 1 Q is/are I and II.
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संबंधित प्रश्न
If the equivalent resistance is to be increased, then the number of resistances should be connected in
- Series
- Parallel
- Mixed arrangement
- None of the above
A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω, respectively. How much current would flow through the 12 Ω resistor?
State the order of resistivity of (i) a metal, (ii) a semiconductor and (iii) an insulator.
Name the following substances:
(i) Showing low resistivity,
(ii) Showing very high resistivity,
(iii) Showing moderate resistivity.
State a relation between electrical power, resistance and potential difference in an electrical circuit.
Two wires of same material and same lengths have radii in the ratio of 2 : 3, Compare their resistances.
The resistance of two resistors joined in series is 8Ω and in parallel is 1.5Ω. Find the value of the two resistances.
What is the maximum resistance which can be made using five resistors each of `1/5` W?
Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of 4 Ω.
