Advertisements
Advertisements
Question
The proper representation of series combination of cells obtaining maximum potential is
 |
 |
 |
 |
| (i) | (ii) | (iii) | (iv) |
Options
(i)
(ii)
(iii)
(iv)
Solution
(i)
Explanation -
The positive terminal of a cell should be connected to the negative terminal of the adjacent cell. Case (i) represents the correct combination of cells.
APPEARS IN
RELATED QUESTIONS
Define specific resistance.
For which of the following substance, resistance decreases with increase in temperature?
How does specific resistance of a semi-conductor change with the increase in temperature?
True or False – If False give the correct answer
The electrical conductivity of the semiconductor is in between a conductor and an insulator.
Define electrical conductivity.
The electrical resistance of insulators is ____________.
What is the minimum resistance which can be made using five resistors each of 1/5 Ω?
What is electrical resistivity? In a series electrical circuit comprising a resistor made up of a metallic wire, the ammeter reads 5 A. The reading of the ammeter decreases to half when the length of the wire is doubled. Why?
Write the relationship between electrical resistance and electrical resistivity for a metallic conductor of a cylindrical shape. Hence derive the SI unit of electrical resistivity.
State the order of specific resistance of an insulator.
