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State the S.I. unit of electric potential. - Physics

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प्रश्न

State the S.I. unit of electric potential.

एक पंक्ति में उत्तर

उत्तर

S.I. unit of potential is volt (v).

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अध्याय 8: Current Electricity - Exercise 8 (A) 1 [पृष्ठ १८६]

APPEARS IN

सेलिना Physics [English] Class 10 ICSE
अध्याय 8 Current Electricity
Exercise 8 (A) 1 | Q 2 | पृष्ठ १८६
आईसीएसई Physics [English] Class 10
अध्याय 7 Electricity
Short Answers | Q 6.2

संबंधित प्रश्न

The values of current (I) flowing through a given resistor of resistance (R), for the corresponding values of potential difference (V) across the resistor are as given below:

V (volts) 0.5 1.0 1.5 2.0 2.5 3.0 4.0 5.0
 I (amperes) 0.1 0.2 0.3 0.4 0.5 0.6 0.8 1.0

Plot a graph between current (I) and potential difference (V) and determine the resistance (R) of the resistor.


How much energy is transferred by a 12 V Power supply to each coulomb of charge which it moves around a circuit?


What is a voltmeter?


Ohm's law state a relation between potential difference and ___________.


Keeping the potential difference constant, the resistance of a circuit is doubled. The current will become:


Calculate the current flowing through each of the resistors A and B in the circuit shown in the following figure.


The figure shows a circuit. When the circuit is switched on, the ammeter reads 0.5 A.


(i) Calculate the value of the unknown resistor R.

(ii) Calculate the charge passing through the 3 Ω resistor in 120 s.

(iii) Calculate the power dissipated in the 3 Ω resistor.


A current of 100 mA. flows through a wire. The charge on an electron is 1.6 × 10-19 C. Find the number of electrons passing per second through the cross-section of the conductor.


Exercise.

Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.


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.


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