Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
- Define 'relaxation time' in a conductor. Explain how it varies with in...
Text Solution
|
- Define the term resistivity and write its S.I. unit. Derive the expres...
Text Solution
|
- What do you understand by electrical resistivity and give its relation...
Text Solution
|
- Show that the resistance of a conductor is given by: R = (ml)/(n e^2 t...
Text Solution
|
- A conductor of length l is connected to a d.c. source of potential V. ...
Text Solution
|
- Define 'relaxation time' in a conductor. Explain how it varies with in...
Text Solution
|
- Define resistivity of a conductor. Explain the variation of resistance...
Text Solution
|
- Define resistivity and state its SI unit. State and explain how to res...
Text Solution
|
- Write the mathematical relation for the resistivity of a material in t...
Text Solution
|
- Explain with the help of a graph, the variation of conductivity with t...
Text Solution
|
- Explain the variation of conductivity of a metallic conductor with tem...
Text Solution
|
- Express electrical conductivity in terms of charge, mass, number densi...
Text Solution
|
- Define electric power and electric energy. Give their units.
Text Solution
|
- Prove that electric energy (W) consumed in a conductor is given by the...
Text Solution
|
- Obtain the formula for the power loss in a conductor of resistance R a...
Text Solution
|
- Explain colour code for carbon resistors giving examples.
Text Solution
|
- What is the need of combining different resistors? What is the resulta...
Text Solution
|
- Derive expression for the total resistance of a circuit in which a few...
Text Solution
|
- What do you mean by internal resiatnce, e.m.f. (electromotive force) a...
Text Solution
|
- What is internal resistance of a cell? Derive an expression for it.
Text Solution
|