Neethu connects 25 resistors of equal resistance in series to get an effective resistance of 175 ohm . Then what will be the resistance of one resistor?
a).175 ohm
b).4375 ohm
c).7 ohm
d). 25 ohm
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Answer:
It is (c) .7 ohm
Given:
Total resistance = 175 ohm
Number of resistors = 25
To find:
Resistance of 1 resistor.
Solution:
To find the resistance of 1 resistor, we have to divide the Total Resistance by the Number of resistors.
Therefore, Resistance (1 resistor) = 175/25
= 7 ohm
Therefore, we get the value of 1 resistor as 7 ohm.
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