356962
Six equal resistance are connected between points , and as shown in the figure. Then net resistance will be maximum between:
1 and
2 and
3 and
4 Any two points
Explanation:
Resistance between and Resistance between and Resistance between and Hence, it is clear that is maximum.
JEE - 2013
PHXII03:CURRENT ELECTRICITY
356963
In the network shown below, the ring has zero resistance. The equivalent resistance between the point and is
1
2
3
4
Explanation:
As the ring has no resistance, the three resistance of 3 each are in parallel. Between point and equivalent resistance
PHXII03:CURRENT ELECTRICITY
356964
Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is
1 6.33
2 2.33
3 4.33
4 5.33
Explanation:
Here, The equivalent resistance in parallel combination is The error in equivalent resistance is given by and in percentage
JEE - 2023
PHXII03:CURRENT ELECTRICITY
356965
Four conductors of same resistance connected to form a square. If the resistance between diagonally opposite corners is , the resistance between any two adjacent corners is
1
2
3
4
Explanation:
Let be the resistance of each conductor. The resistance between opposite corners (diagonally) is Given )
PHXII03:CURRENT ELECTRICITY
356966
The resistance of a wire is ‘’ ohm. If it is melted and stretched to ‘’ times its original length, its new resistance will be :-
356962
Six equal resistance are connected between points , and as shown in the figure. Then net resistance will be maximum between:
1 and
2 and
3 and
4 Any two points
Explanation:
Resistance between and Resistance between and Resistance between and Hence, it is clear that is maximum.
JEE - 2013
PHXII03:CURRENT ELECTRICITY
356963
In the network shown below, the ring has zero resistance. The equivalent resistance between the point and is
1
2
3
4
Explanation:
As the ring has no resistance, the three resistance of 3 each are in parallel. Between point and equivalent resistance
PHXII03:CURRENT ELECTRICITY
356964
Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is
1 6.33
2 2.33
3 4.33
4 5.33
Explanation:
Here, The equivalent resistance in parallel combination is The error in equivalent resistance is given by and in percentage
JEE - 2023
PHXII03:CURRENT ELECTRICITY
356965
Four conductors of same resistance connected to form a square. If the resistance between diagonally opposite corners is , the resistance between any two adjacent corners is
1
2
3
4
Explanation:
Let be the resistance of each conductor. The resistance between opposite corners (diagonally) is Given )
PHXII03:CURRENT ELECTRICITY
356966
The resistance of a wire is ‘’ ohm. If it is melted and stretched to ‘’ times its original length, its new resistance will be :-
356962
Six equal resistance are connected between points , and as shown in the figure. Then net resistance will be maximum between:
1 and
2 and
3 and
4 Any two points
Explanation:
Resistance between and Resistance between and Resistance between and Hence, it is clear that is maximum.
JEE - 2013
PHXII03:CURRENT ELECTRICITY
356963
In the network shown below, the ring has zero resistance. The equivalent resistance between the point and is
1
2
3
4
Explanation:
As the ring has no resistance, the three resistance of 3 each are in parallel. Between point and equivalent resistance
PHXII03:CURRENT ELECTRICITY
356964
Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is
1 6.33
2 2.33
3 4.33
4 5.33
Explanation:
Here, The equivalent resistance in parallel combination is The error in equivalent resistance is given by and in percentage
JEE - 2023
PHXII03:CURRENT ELECTRICITY
356965
Four conductors of same resistance connected to form a square. If the resistance between diagonally opposite corners is , the resistance between any two adjacent corners is
1
2
3
4
Explanation:
Let be the resistance of each conductor. The resistance between opposite corners (diagonally) is Given )
PHXII03:CURRENT ELECTRICITY
356966
The resistance of a wire is ‘’ ohm. If it is melted and stretched to ‘’ times its original length, its new resistance will be :-
356962
Six equal resistance are connected between points , and as shown in the figure. Then net resistance will be maximum between:
1 and
2 and
3 and
4 Any two points
Explanation:
Resistance between and Resistance between and Resistance between and Hence, it is clear that is maximum.
JEE - 2013
PHXII03:CURRENT ELECTRICITY
356963
In the network shown below, the ring has zero resistance. The equivalent resistance between the point and is
1
2
3
4
Explanation:
As the ring has no resistance, the three resistance of 3 each are in parallel. Between point and equivalent resistance
PHXII03:CURRENT ELECTRICITY
356964
Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is
1 6.33
2 2.33
3 4.33
4 5.33
Explanation:
Here, The equivalent resistance in parallel combination is The error in equivalent resistance is given by and in percentage
JEE - 2023
PHXII03:CURRENT ELECTRICITY
356965
Four conductors of same resistance connected to form a square. If the resistance between diagonally opposite corners is , the resistance between any two adjacent corners is
1
2
3
4
Explanation:
Let be the resistance of each conductor. The resistance between opposite corners (diagonally) is Given )
PHXII03:CURRENT ELECTRICITY
356966
The resistance of a wire is ‘’ ohm. If it is melted and stretched to ‘’ times its original length, its new resistance will be :-
356962
Six equal resistance are connected between points , and as shown in the figure. Then net resistance will be maximum between:
1 and
2 and
3 and
4 Any two points
Explanation:
Resistance between and Resistance between and Resistance between and Hence, it is clear that is maximum.
JEE - 2013
PHXII03:CURRENT ELECTRICITY
356963
In the network shown below, the ring has zero resistance. The equivalent resistance between the point and is
1
2
3
4
Explanation:
As the ring has no resistance, the three resistance of 3 each are in parallel. Between point and equivalent resistance
PHXII03:CURRENT ELECTRICITY
356964
Two resistances are given as and . The percentage error in the measurement of equivalent resistance when they are connected in parallel is
1 6.33
2 2.33
3 4.33
4 5.33
Explanation:
Here, The equivalent resistance in parallel combination is The error in equivalent resistance is given by and in percentage
JEE - 2023
PHXII03:CURRENT ELECTRICITY
356965
Four conductors of same resistance connected to form a square. If the resistance between diagonally opposite corners is , the resistance between any two adjacent corners is
1
2
3
4
Explanation:
Let be the resistance of each conductor. The resistance between opposite corners (diagonally) is Given )
PHXII03:CURRENT ELECTRICITY
356966
The resistance of a wire is ‘’ ohm. If it is melted and stretched to ‘’ times its original length, its new resistance will be :-