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प्रश्न
State whether the potential is a scalar or vector?
उत्तर
Potential is also a scalar quantity.
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संबंधित प्रश्न
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.
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V?
If a potential difference of 10 V causes a current of 2 A to flow for 1 minute, how much energy is transferred?
Name the law which relates the current in a conductor to the potential difference across its ends.
A potential difference of 20 volts is applied across the ends of a resistance of 5 ohms. What current will flow in the resistance?
A resistance of 20 ohms has a current of 2 amperes flowing in it. What potential difference is there between its ends?
The potential difference between the terminals of an electric iron is 240 V and the current is 5.0 A. What is the resistance of the electric iron?
Calculate the power used in the 2 Ω resistor in each of the following circuits: a 6 V battery in series with 1 Ω and 2 Ω resistors.
A cell of e.m.f 2.0 V and internal resistance 1Ω is connected to the resistors of 3Ω and 6Ω in series. Calculate:
(i) the current drawn from the cell,
(ii) the p.d. across each resistor,
(iii) the terminal voltage of the cell and
(iv) the voltage drop.
A negative charge will move from ______ to ______ potential.
