Advertisements
Advertisements
Question
State whether the potential is a scalar or vector?
Advertisements
Solution
Potential is also a scalar quantity.
APPEARS IN
RELATED QUESTIONS
Which of the following statements correctly defines a volt?
(a) a volt is a joule per ampere.
(b) a volt is a joule per coulomb.
What is meant by saying that the electric potential at a point is 1 volt?
A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
Ohm's law state a relation between potential difference and ___________.
Calculate the current flowing through each of the resistors A and B in the circuit shown in the following figure.

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.
Three resistors are connected to a 12 V battery as shown in the figure given below:

(i) What is the current through the 8 ohm resistor?
(ii) What is the potential difference across the parallel combination of 6 ohm and 12 ohm resistor?
(iii) What is the current through the 6 ohm resistor?
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.
A current of 1 ampere flows in a series circuit containing an electric lamp and a conductor of 5 Ω when connected to a 10 V battery. Calculate the resistance of the electric lamp.
Now if a resistance of 10 Ω is connected in parallel with this series combination, what change (if any) in current flowing through 5 Ω conductor and potential difference across the lamp will take place? Give reason.
What does the positive and negative sign of potential convey?
