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प्रश्न
Choose the correct alternative and rewrite the following sentence.
If three resistors 2 ohms, 3 ohms and 4 ohms are connected in series, then the effective resistance in the circuit will be _______ ohms.
पर्याय
9
6
1
5
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उत्तर
9
APPEARS IN
संबंधित प्रश्न
In series combination which remains constant?
(a) Voltage
(b) Current
(c) Both current and voltage
(d) Both are variables
Find the expression for the resistors connected in series and write the two characteristics of it. (Draw figure).
Find the expression for resistors connected in series.
A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, then the ratio `"R"/"R'"` is ______.
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(ii) Why do we prefer arrangements of Set B for house circuiting?
If the length of a wire is doubled by taking more of wire, what happens to its resistance?
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The diagram below shows part of a circuit:
If this arrangement of three resistors was to be replaced by a single resistor, its resistance should be:
(a) 9 Ω
(b) 4 Ω
(c) 6 Ω
(d) 18 Ω
What is the equivalent resistance between A and B in the given circuit (Fig?)
Calculate the equivalent resistance of the following combination of resistor r1, r2, r3, and r4
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- the effective resistance of the circuit.
- the reading of ammeter.
State expression for Resistance connected in series.
State expression for Resistance connected in parallel.
What is a resistance? Define it with respect to Ohm’s law,
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If the current I through a resistor is increased by 100% (assume that temperature remains unchanged), the increase in power dissipated will be:
