(a) the total resistance of the circuit
(b)the value of r, and
the answer is a 10 ohm b 20 ohm c 0.2A
10 ohm is answer of your
according to whetstone bridge
20R = 100
R= 5 ohm.
Apply KCL at node A i3=i1+i2=2+3 =5A i3=5A 9. ... Find value of R that cause 2A current source to release 12 watt. 1. Power is conserved….72w=24w+36w+12w.
the current flowing through the resistor R1 (4 ohms) is 1A..
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your answer is in attachment...........
R = 11 ohm
r = 1 ohm
E = 200 V
V = 220 V
Let R be minimum value of resistance required.
Resistance of battery is calculated by-
r = R (V-E) / V
R = rV / (V-E)
R = 1 × 220 / (220-200)
R = 220/20
R = 11 ohm
Therefore, minimum value of resistance required so that current passes through battery to charge it is 11 ohm.
Hope it helps...
The correct answer is option c...
The resistance of arm ACD, RS1 =10 + 20 =30Ω The resistance of arm ABD, RS2 = 5 +10 =15Ω
when there is no electricity passing through any object there is -'0' resistence
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