This question is about the function of electrical devices and requires understanding the principles of electromagnetism.
The device used to produce electric current is called :
Asked in Junior Assistant Exam 2022 · Topic: Electric Current (Definition of Electric Current and current density)
More Physics questions
- A diode can be used to
- In India, distribution of electricity for domestic purpose is done in the form of— [A] 220 V; 50 Hz [B] 110 V; 60 Hz [C] 220 V; 60 Hz [D] 110 V; 50 Hz
- An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speeds of the electron and the proton are V$_e$ and V$_p$ respectively. Which one of the following relations is correct?
- An electron and a proton starting from rest are accelerated through a potential difference of 1000 V. Which one of the following statements in this regard is correct?
- With reference to the electron drift speed in a current-carrying conductor, which one of the following statements is correct?
- Ions in a solution are subject to a uniform electric field. If each ion carries charge q and has radius R, then the ionic current I due to the applied field will depend on q and R as :
- If a charged particle (+q) is projected with certain velocity parallel to the magnetic field, then it will
- According to Fleming's right-hand rule, if the forefinger indicates the direction of magnetic field and thumb shows the direction of motion of conductor, then the stretched middle finger will predict the direction of