a linear resistor of resistance 12 ohm is bent in the form of a circular loop and connected in a circuit across its diameter. what will be the resistance offered by the loop?
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resistance offered by the loop = 3 Ω
Step-by-step explanation:
a linear resistor of resistance 12 ohm is bent in the form of a circular loop
Resistance of complete length = 12 ohm
connected in a circuit across its diameter.
Hence will divide in 2 Equal length parts
Resistance is directly proportional to length
R ∝ Length
Hence Each length resistance = 12/2 = 6 Ohm
connected in a circuit across its diameter
Hence both parts will be in parallel
Effective Resistance in parallel = 1/( 1/6 + 1/6)
= 6/2
= 3 ohm
resistance offered by the loop = 3 Ω
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