A
B
C
D
Text Solution
Verified by Experts
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
- The length of a wire is doubled by pulling it.Find the new resistance.
Text Solution
|
- Which of the following has negative temperature coefficient of resista...
Text Solution
|
- Which of the following has a negative temperature coefficient?
Text Solution
|
- A wire has a resistance of 3.1 Omega at 30^@C and a resistance of 4....
Text Solution
|
- A wire has a resistance of 3.1Omega at 30^@C and a resistance of 4.5Om...
Text Solution
|
- Three bulbs of electric powers 40 W, 60 W and 100 W are connected in s...
Text Solution
|
- A 30 V . 90 W lamp is to be operated on a 120 V d.e. line for proper g...
Text Solution
|
- If a power of 100 W is being supplied across a potential difference of...
Text Solution
|
- A 10Omega electric heater operates on a 110 V line. The rate at which ...
Text Solution
|
- On 220 V supply, a heater heats a volume of water in 5 minutes time. O...
Text Solution
|
- Two heater coils separately take 10 minutes and 5 minutes to boil a ce...
Text Solution
|
- Five equal resistors, when connected in seires, dissipated 5 W power, ...
Text Solution
|
- If a wire of resistance 20 Omega is overed with ice and a voltage of 2...
Text Solution
|
- A wire is cut into 4 pieces, which are put together by sides to obtain...
Text Solution
|
- A student has 10 resistors each of resistance r, From the given resist...
Text Solution
|
- Which of the following is a secondary cell?
Text Solution
|
- The internal resistance of a cell is the resistance of
Text Solution
|
- The internal resistance of a cell of e.m.f. 2 V is 0.1 Omega. It is co...
Text Solution
|
- A battery of e.m.f. 10V and internal resistance 3 Omega is connected t...
Text Solution
|
- The potential difference across the terminals of a battery is 50 V whe...
Text Solution
|