Three resistors 1
are connected to form a triangle. Across 3
resistor a 3V battery is connected. The current through 3
resistor is
a)
0.75A
b)
1A
c)
2A
d)
1.5A
Three resistors 1 are connected to form a triangle. Across 3 resistor a 3V battery is connected. The current through 3 resistor is
a)
0.75A
b)
1A
c)
2A
d)
1.5A
Question ID - 151250 | SaraNextGen Top Answer
Three resistors 1 are connected to form a triangle. Across 3 resistor a 3V battery is connected. The current through 3 resistor is
a)
0.75A
b)
1A
c)
2A
d)
1.5A
|
Three resistors 1 |
|||||||
|
a) |
0.75A |
b) |
1A |
c) |
2A |
d) |
1.5A |
1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
Required arrangement is shown in figure.
.png)
The equivalent circuit will look like (since the two resistances of 1
and 2
are in series, which from 3
which is in parallel with 3
resistance).
.png)
Therefore, the effective resistance is
.png)
∴ Current in the circuit,
∴ Current in 3
resistor= 
127 votes
Answer Link
127