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
- Two copper wires, one of length 1 m and the other of length 9 m, are f...
Text Solution
|
- A metallic wire of resistane of 40Omega is stretched to twice its leng...
Text Solution
|
- When a piece of aluminium wire of finite length is drawn through a ser...
Text Solution
|
- A certain piece of copper is to be shaped into a wire of minimum resis...
Text Solution
|
- A uniform wire of resistance R is uniformly compressed along it s leng...
Text Solution
|
- The appropriate material to be used in the construction of resistance ...
Text Solution
|
- Why are alloys used for making standard resistance coils?
Text Solution
|
- If the resistivity of an alloy is rho' and that of constituent metals ...
Text Solution
|
- Carbon resistor used in electronic circuit are marked for their resist...
Text Solution
|
- When a current flows in a conductor, the order of magnitude of drift v...
Text Solution
|
- The ratio of drift velocity to that of the thermal velocity of an elec...
Text Solution
|
- Assume that each atom in a copper wire contributes one free electron. ...
Text Solution
|
- Resistance of a conductor increases with the rise of temperature, beca...
Text Solution
|
- A piece of germanium and another of copper are stated to experience a ...
Text Solution
|
- The resistance of a conductor of a conductor is 5Omega at 50^@C, and ...
Text Solution
|
- Kilowatt is the unit of :
Text Solution
|
- Watt-hour meter measures
Text Solution
|
- In an ordinary electric heater, if the length of the coil is reduced t...
Text Solution
|
- A 500 W heating unit is designed to operate from a 115 V line. If the ...
Text Solution
|
- If R1 and R2 are respectively the filament resistances of a 200 W bulb...
Text Solution
|