Advertisements
Advertisements
Question
State whether the potential is a scalar or vector?
Advertisements
Solution
Potential is also a scalar quantity.
APPEARS IN
RELATED QUESTIONS
The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below:
| I (amperes) | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 |
| V (volts) | 1.6 | 3.4 | 6.7 | 10.2 | 13.2 |
Plot a graph between V and I and calculate the resistance of that resistor.
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
Explain the statement ‘the potential difference between two points is 1 volt’.
Define the following:
Potential difference
Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
Point out two differences between e.m.f. and potential difference as applied to electric circuits.
A 10 m long wire of a particular material is of reistance 5Ω What will be the resistance of 5m long wire of same material and the same thickness.
Assertion (A): Charges flow from higher potential to lower potential.
Reason (R): Current flows mainly due to the flow of electrons.
Study the following circuit and find:

- Effective resistance of the circuit
- Current drawn from the battery
- Potential difference across the 5 omega resistor
