Question
A non-conducting sphere of radius R has a radially varying charge density ρ(r) = k•r. Find the electric field at a distance r < R.
More Physics GS Questions
- Planck’s constant has dimensions equivalent to which of the following?
- Which of the following is NOT a non-contact force?
- What is the unit of power in an electrical circuit?
- A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.
- If the vector sum of torques acting on a system is zero, then the object is in:
- Why does a fountain pen leak on an airplane flying at high altitude?
- A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -
- Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 12 and the second has a voltage gain of 15...
- Clear nights are colder than cloudy nights because of –
- An electric bulb is rated 100 W and 220 V. What is the current through the bulb?
Relevant for Exams:
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)