Two resistances 3Ω and 6Ω are connected in parallel
Two resistances 3Ω and 6Ω are connected in parallel and a 4Ω resistance is connected in series. The current through…
8 years ago
Physics
An α-particle and a proton are accelerated through same potential difference
An α-particle and a proton are accelerated through same potential difference from rest. Find the ratio of their final velocity…
8 years ago
When a Daniel cell is connected in the secondary circuit of a potentiometer,
When a Daniel cell is connected in the secondary circuit of a potentiometer, the balancing length is found to be…
8 years ago
The drift velocity of the electrons in a copper wire of length 2 m under
The drift velocity of the electrons in a copper wire of length 2 m under the application of a potential…
8 years ago
The identical cells connected in series are needed to heat a wire of length one meter
The identical cells connected in series are needed to heat a wire of length one meter and radius 'r' by…
8 years ago
Charge passing through a conductor of cross-section area A=0.3 m² is given
Charge passing through a conductor of cross-section area A=0.3 m² is given by q=3t²+5t+2 in coulomb, where t is in…
8 years ago
A wire of a certain material is stretched slowly by ten percent. Its new resistance
A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively…
8 years ago
A wire of resistance 4 ohm is stretched to twice its original length.
A wire of resistance 4 ohm is stretched to twice its original length. The resistance of stretched wire would be…
8 years ago
A voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter
A voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter of range Options (a) 1A (b)…
8 years ago
The masses of three wires of copper are in the ratio 1:3:5 and lengths
The masses of three wires of copper are in the ratio 1:3:5 and lengths are in the ratio 5:3:1. Then…
8 years ago