Advertisements
Advertisements
प्रश्न
An electrical gadget can give an electric shock to its user under certain circumstances. Mention any two of these circumstances.
Advertisements
उत्तर
When the live wire comes in contact with the metal body of the electrical gadget.
संबंधित प्रश्न
The p.d. across a 3 Ω resistor is 6 V. The current flowing in the resistor will be:
(a) `1/2A`
(b) 1 A
(c) 2 A
(d) 6 A
Find the potential difference required to pass a current of 0.2 A in a wire of resistance 20Ω
Explain with the help of a diagram how does 'short circuiting' occur in an electric kettle.
What is the function of a step-up transformer?
Coulomb is the SI unit of ____________.
Problems for practice:
If 3A current flows through a circuit, then convert the current in terms of a milliampere.
The number of electrons constituting a 1-coulomb charge is ______.
