A current of A enters one corner one corner P of an equilateral triangle 
having 3 wires of resistance 2
each and leaves by the corner R. then the current 
and 
are
.png)
a)
2A, 4A
b)
4A, 2A
c)
1A, 2A
d)
2A, 3A
having 3 wires of resistance 2 each and leaves by the corner R. then the current and area)
2A, 4A
b)
4A, 2A
c)
1A, 2A
d)
2A, 3A
Question ID - 151292 | SaraNextGen Top Answer A current of A enters one corner one corner P of an equilateral triangle having 3 wires of resistance 2 each and leaves by the corner R. then the current and are
a)
2A, 4A
b)
4A, 2A
c)
1A, 2A
d)
2A, 3A
A current of A enters one corner one corner P of an equilateral triangle having 3 wires of resistance 2 each and leaves by the corner R. then the current and are
|
a) |
2A, 4A |
b) |
4A, 2A |
c) |
1A, 2A |
d) |
2A, 3A |
1 Answer
127 votes
Answer Key / Explanation : (a) -
|
(a) From Kirchhoff’s first law at junction P,
From Kirchhoff’s second law to the closed circuit PQRP,
Adding Eqs. (i) and (ii), we get
From Eq. (i),
|
127 votes
Answer Link
127