Battery and Its Working
Trending Questions
Write the factors on which the forces acting on the current-carrying conductor depend.
What is a cell in physics?
A voltaic cell converts chemical energy into electrical energy.
True
False
(a) Name a device which helps to maintain potential difference across a conductor (say, a bulb).
(b) If a potential difference of 10 V causes a current of 2 A to flow for 1 minute, how much energy is transferred?
The main energy transformation that occurs during charging of a battery is
Electrical energy to Chemical energy
Chemical energy to Electrical energy
Light energy to Heat energy
Heat energy to Light energy
Which chemical is used in inverter battery?
Write one example of the conversion of electrical energy into chemical energy.
The electric current flows in a conductor due to:
The potential difference.
The temperature of the conductor.
The area of the conductor.
The weight of the conductor.
Is a battery potential energy?
Name the SI unit of potential difference. After which scientist is it named?
- Sound
- Light
- Heat
- Electrical
What determines the direction of flow of electrons when two charged conductors are joined by a metallic wire?
An inverter battery transforms _______ energy into _______ energy.
What condition is required for generating current by electromagnetic induction?
For the figure given below, find the effective potential difference when the batteries are connected in series.
20 volts
25 volts
24 volts
26 volts
What type of energy is stored in a battery?
Which conductor is said to be at
a. lower potential
b. higher potential?
An electric bulb of resistance 20Ω and a a resistance wire of 4Ω are connected in series with a 6 V battery.
(a) Total resistance of the circuit.
(b) Current through the circuit.
(c) Potential difference across the electric bulb.
(d) Potential difference across the resistance wire.
(a) On what factors does the force experienced by a straight conductor placed in a magnetic field depend?
(b) State the law which determines the force experienced by a conductor.
Give an example in which the following energy conversion takes place. (a) Electrical energy to kinetic energy (b) chemical energy to electrical energy.
A voltaic cell converts chemical energy into electrical energy.
True
False
C(h). How does electric current flow in a metal?
Two sources for producing potential difference.
What is meant by electromagnetic induction? Name an electric device based on this phenomenon.
State Flemings left-hand rule. Name a device based on this rule.
State the two laws of electromagnetic induction.
Name any primary cell?
Name a source of electric energy.
For the figure given below, find the effective potential difference when the batteries are connected in series.
25 volts
26 volts
24 volts
20 volts
Does electricity gets absorbed in a resistor. If no how does a battery stop working later
