>
Exams
>
Physics
>
Resistance
>
let a variable load resistance of r be connected i
Question:
Let a variable load resistance of R be connected in series with a source of EMF E volt and internal resistance r 2 (see figure). V
AB
represents the potential drop between A and B. Then
WBJEE JENPAS UG - 2022
WBJEE JENPAS UG
Updated On:
May 4, 2024
Power consumed by the load will be maximum when R = r
Power consumed by the load will be maximum when R = r (B) When R→ ∞, then V
AB
→ E
I vs.R graph is a straight line.
V
AB
increases with increasing
Hide Solution
Verified By Collegedunia
The Correct Option is
A,
B
Solution and Explanation
The correct option is: A and B
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Resistance
A coil of resistance 10 \( \Omega \) is connected to a battery of 12 V. If the current flowing through the coil is 2 A, what is the power dissipated in the coil?
BITSAT - 2025
Physics
Resistance
View Solution
Find the effective resistance of the network of resistors between points A and F as shown in the figure.
CBSE CLASS XII - 2025
Physics
Resistance
View Solution
A wire of resistance \( X \, \Omega \) is gradually stretched till its length becomes twice its original length. If its new resistance becomes 40 \( \Omega \), find the value of \( X \).
CBSE CLASS XII - 2025
Physics
Resistance
View Solution
A wire of resistance \( R \), connected to an ideal battery, consumes a power \( P \). If the wire is gradually stretched to double its initial length, and connected across the same battery, the power consumed will be:
CBSE CLASS XII - 2025
Physics
Resistance
View Solution
A cell of emf \( E \) and internal resistance \( r \) is connected to an external variable resistance \( R \). Plot a graph showing the variation of terminal voltage \( V \) of the cell as a function of current \( I \), supplied by the cell. Explain how the emf of the cell and its internal resistance can be found from it.
CBSE CLASS XII - 2025
Physics
Resistance
View Solution
View More Questions
Questions Asked in WBJEE JENPAS UG exam
According to a certain code,
(I) 'min fin bin gin' means 'trains are always late'.
(II) 'gin din cin hin' means 'drivers were always punished'.
(III) 'bin cin vin rin' means 'drivers stopped all trains'.
(IV) 'din kin fin vin' means 'all passengers were late'.
Then 'hin min kin' would mean
WBJEE JENPAS UG - 2023
Critical Reasoning
View Solution
When a spring is stretched by x amount, the potential energy stored in it is E. When the spring is stretched by another x amount, the potential energy stored in the spring becomes E'. Then
\(\frac{E'}{E}\)
is,
WBJEE JENPAS UG - 2023
work, energy and power
View Solution
In a class of 165 students, 45 students are passed in Mathematics as well as in English, whereas 60 students are failed in Mathematics and 65 students are failed in English. How many students are passed in exactly one subject?
WBJEE JENPAS UG - 2023
Percentages
View Solution
BEGK is related to ADFJ, in the same way as PSVY is related to _____.
WBJEE JENPAS UG - 2023
Critical Reasoning
View Solution
R E 5 D A P $ 3 T I Q 7 9 B # 2 K % U 1 M W 4 * J 8 N
How many such numbers are there in the above arrangement, each of which is immediately preceded by a letter and not immediately followed by a letter?
WBJEE JENPAS UG - 2023
Critical Reasoning
View Solution
View More Questions