मराठी

Ohm'S Law Gives a Relationship Between: (A) Current and Resistance (B) Resistance and Potential Difference (C) Potential Difference and Electric Charge (D) Current and Potential Difference

Advertisements
Advertisements

प्रश्न

Ohm's law gives a relationship between:

(a) current and resistance
(b) resistance and potential difference
(c) potential difference and electric charge
(d) current and potential difference

Advertisements

उत्तर

(d) current and potential difference
Ohm's law gives the relationship between current and potential difference.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Electricity - Exercise 3 [पृष्ठ २०७]

APPEARS IN

लखमीर सिंह Physics Part 1 [English] Class 10
पाठ 4 Electricity
Exercise 3 | Q 25. | पृष्ठ २०७

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Name the unit of electrical resistance and give its symbol.


Name the physical quantity whose unit is "ohm".


The graph between V and I for a conductor is a straight line passing through the origin. 

 What should remain constant in a statement of this law?


What is an ohmic resistor? Give one example of an ohmic resistor. Draw a graph to show its current voltage relationship. How is the resistance of the resistor determined from this graph?


Calculate the current flowing through a wire of resistance 5 Ω connected to a battery of potential difference 3 V.


State Ohm's law. What are its limitations?

The filament of a bulb takes a current 100 mA when potential difference across it is 0.2 V. When the potential difference across it becomes 1.0 V, the current becomes 400 mA. Calculate the resistance of filament in each case and account for the difference.


What is meant by the drift speed of free electrons?


SI unit of resistance is:


State Ohm’s law.


What is non ohmic device?


The unit of specific resistance is ____________.


Ohm's law deals with the relationship between ______


Consider a current carrying wire (current I) in the shape of a circle. Note that as the current progresses along the wire, the direction of j (current density) changes in an exact manner, while the current I remain unaffected. The agent that is essentially responsible for is ______.


The resistance of a resistor is reduced to half of its initial value. If other parameters of the electrical circuit remain unaltered, the amount of heat produced in the resistor will become ______.


How is electric current related to the potential difference across the terminals of a conductor?

Draw a labelled circuit diagram to verify this relationship.


For a continuous current flow through a conductor, what must be maintained across the ends of the conductor?


What is the nature of the graph obtained when potential difference is plotted against current for an Ohmic conductor?


A resistor is connected in a circuit with a voltage of 12 V and a resistance of 24 Ω. What is the current flowing through the resistor?


If the voltage across a conductor is increased while its temperature remains unchanged, what happens to the current flowing through it?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×