Two identical resistors are connected in series. When one of the resistors is
removed and the circuit is re-joined the current in the circuit –
(a) remains same. (b) becomes double. (c) becomes half. (d) becomes zero
Answers
Answer:
b option becomes more
explanation
resistor is removed then the resistance is decreased, if resistance is decreased the current becomes more.
Thank u………
The baisc thing is the volatge is a force which makes a current flow and the resistor is the equipment which causess hurdles in flow of current and if there is three resistor are connected in series there will be some resistance of the circuit but if you remove one of the resistor from the circuit the equivalent resistance of the circuit decrease but the volteage is same in both of the case so the overall current in the circuit will increase. You can also understand this by formula
V=IR
If the R decrease the current or I should be increase to satisfy this condition
Given : Two identical resistors are connected in series.
one of the resistors is removed and the circuit is re-joined
To Find : the current in the circuit
(a) remains same. (b) becomes double. (c) becomes half. (d) becomes zero
Solution:
Let say Voltage = V
Each resistance = R
Hence Total Resistance in Circuit = R + R = 2R
Current in Circuit = V/2R
One resistor is removed
Then Resistance in Circuit = R
Current in circuit = V/R
= 2(V/2R)
becomes double.
Current becomes Double
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