In: Physics
A battery is connected across a series combination of two identical resistors. If the potential difference across the terminals is V and the current in the battery is i, then:
Which of these statement are true?
The potential difference across each resistor is V and the current in each resistor is i
The potential difference across each resistor is V/2 and the current in each resistor is i
The potential difference across each resistor is V and the current in each resistor is i/2
The potential difference across each resistor is V/2 and the current in each resistor is i/2
None of these are true
Cureent passes through the resisters is same (i).Because the two resisters are in series.
Resistance of each resistor = r
Effective resistance R = r + r = 2r
Potential difference V = iR
Potential difference through each resistor V' = ir = i(R/2) = (iR)/2 = V/2
So The potential difference across each resistor is V/2 and the current in each resistor is i