Homework Help: physics numerical

Posted by brock on Thursday, October 20, 2011 at 4:52am.

a parallel combination of two resistors of 2ohm each has third resistor of 4ohm in series with the combination.if a battery of 10V with negligible internal resistance be applies across them,find the p.d. across the resistor.

physics numerical - drwls, Thursday, October 20, 2011 at 6:25am
Two 2 ohm resistors in parallel act like a single 1 ohm resistor in series. Total circuit resistance, seen by the battery, is
4 + 1 = 5 ohms.

80% of the p.d. of the circuit is across the 4 ohm resistor.

80% of 10V = ?

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