The internal resistance of the cell shown in the figure is negligible, on closing the key k, the ammeter reading changes from 0.25 amp to 
amp, then –
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(b, c)
When k was open
Reading of 
amp 
,
When k was closed
, Power drawn 
as 
decrease
Power 
will increases, current through
(initially) after k is closed current through 
.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A silicon speciman is made into a P-type semi-conductor by dopping, on an average, one Indium atom …
The typical ionisation energy of a donor in silicon is
A 2V battery is connected across the points A and B as shown in the figure given below. Assuming th…
The diode used in the circuit shown in the figure has a constant voltage drop of 0.5 V at all curre…
For a transistor amplifier in common emitter configuration for load impedance of 1 k Ω Ω (h fe = 50…
In semiconductor the concentrations of electrons and holes are 8 × × 10 18 /m 3 and 5 × × 10 18 /m …