Electronics - Series Circuits - Discussion
Discussion Forum : Series Circuits - Filling the Blanks (Q.No. 11)
11.
If five equal resistors are connected in series with a 20 V source, and a current of 400 µA is measured, each resistor equals ___.
10 k
50 k
125
20
Discussion:
2 comments Page 1 of 1.
Venu said:
1 decade ago
Given,
r=5r
v=20v
i=400mv
v=ir=i5r
r=v/i=20/5*400m=10kohm
r=5r
v=20v
i=400mv
v=ir=i5r
r=v/i=20/5*400m=10kohm
NITIN said:
1 decade ago
R = 5R.
V= 20V.
I = 400*10^-6A.
SO WE KNOW THAT V = IR.
SO, 20 = 400*10^-6*5R.
So we will get it as R=10000.
That is, R = 10kohms.
V= 20V.
I = 400*10^-6A.
SO WE KNOW THAT V = IR.
SO, 20 = 400*10^-6*5R.
So we will get it as R=10000.
That is, R = 10kohms.
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