A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of Figure. The current recorded in the ammeter will be
The same in all the cases
maximum in $(i)$
maximum in $(ii)$
maximum in $(iii)$
Which one of the following is true according to Ohm's law?
What are the factors on which resistivity of a material depends ?
The $SI$ unit of resistivity of the material is $......$
In Volta's cell, what is the direction of the flow of electrons?
What is the equivalent resistance of resistors $R_{1}$ and $R_{2}$ connected in parallel connection?