Question

A, B
equal to 70 V, OV and 10 V
'B
w
2012
a)
A
D
b)
mu
respectively
, then answer the following
Calculate the value of potential at D?
70 V
w
Find the ratio of the currents flowing through
10Ω
AD, DB and DC respectively?
10V
In the circuit it is given that R, = R = R, = 20022, the reading of voltmetre = 100 V and the resistance
of voltmeter = 1000 Q2 then find the e.mf of the battery E
8002
c
A
B
R,
V
R3
MM
D
R2
C С
A circuit is made by using a copper wire of certain length as shown in the adjacent figure. As we
know the resistance of a wire is directly proportional to its length. Depending on this fact calculate the
resistance between the points 1 and 2 ?
Write the reasons for using lead wire in the manufacture of fuses?
For a circuit shown in the figure. Calculate the resultant resistance between the points A and B ?
R
M
R
R​

Answer 1

Answer:

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Answer 2

Answer:

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