consider the given circuit and find the current flowing in the circuit and potential difference across the 15 ohm resistor when the circuit is closed.
(i)5ohm
(ii)10ohm
(iii)15ohm
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bhia we need atleast current or potential difference to find other unit this questn is incorrect.
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The question follows with a diagram of a closed circuit containing three resistances of 5ohms, 10ohms and 15 ohms with a battery of voltage of 30v and a switch which is closed. We need to find the current flowing through the circuit as the voltage drop across 15 ohm resistor.
The answer to the question should be:
Current:1A
Voltage: 15V
The resistances are connected in series so they will be added up which will give you 30ohms
Current flowing will be 1A because I= V/Req = 30/30=1A
Voltage drop across 15 ohm resistor,
V=I×Req = 1× 15= 15V
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