Question
If a copper wire is increased to double its length, its resistance will become –
More Physics GS Questions
- Which part of a plant is responsible for photosynthesis?
- The diameter of a capillary is 4mm. If Reynolds's number of the tube is 1000 and the co-efficient of viscosity for water is 0.02 poise, determine the maxim...
- A tuning fork of frequency 440 Hz resonates with a pipe closed at one end, vibrating in its second overtone. If the speed of sound in air is 330 m/s, what ...
- In streamline flow through a horizontal pipe, at one point the cross-sectional area is 4 cm² and velocity is 8 m/s. If at another point the cross-sectional...
- A pond of water appears less deep due to –
- A closely wound solenoid 40 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 2 cm. If the current carried is 8.0 A, esti...
- Focal length of a concave lens with power –2 D:
- A bulb of 100 W is used for 10 hours. Find the energy consumed in kWh.
- An electric dipole of length 10 cm, when placed with its axis making an angle of 30° with a uniform electric field, experiences a torque of 2√3 N...
- Which law states that the ratio of the potential difference across a conductor to the current through it is constant, provided the temperature remains cons...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
