Asked by Anonymous
Three resistors of value 1.0 , 2.0 and 4.0 are connected in a parallel circuit with a 6.0 V battery.
a) What is the total equivalent resistance?
b) What is the across each resistor?
c) The power delivered to the 4.0 resistor?
a) What is the total equivalent resistance?
b) What is the across each resistor?
c) The power delivered to the 4.0 resistor?
Answers
Answered by
Damon
1/Req = 1/1 + 1/2 + 1/4
1/Req = 4/4 + 2/4 + 1/4 = 7/4
so
Req = 4/7
The voltage is the same across all elements in parallel
i for the 4 ohm = 6/4 = 1.5 amps
P = i V or i^2 R = 1.5 * 6 or 2.25 * 4
= 9 watts
1/Req = 4/4 + 2/4 + 1/4 = 7/4
so
Req = 4/7
The voltage is the same across all elements in parallel
i for the 4 ohm = 6/4 = 1.5 amps
P = i V or i^2 R = 1.5 * 6 or 2.25 * 4
= 9 watts