If the current in the primary circuit of a potentiometer wire of specific resistance is `40 xx 10^(-8)Omega` -m and area of cross-section `8 xx 10^(-6)m^(2)` is 0.5 amp. Then potential gradient of wire is –

The current in the primary circuit of a potentiometer wire is 0.5 A. Specific resistance of wire is 4 xx 10^(-7) Omega m and area of cross section of wire is 8 xx 10^(-6) m^(2) . The potential gradient on the wire would be

If the current in the primary circuit of a potentiometer wire is 0.2A, specific resistance of the material of wire 40xx10^(-8)Omega m and area of cross-section of wire is 8xx10^(-7)m^2 . The potential gradient will be

A current of 0.01 mA passes through the potentiometer wire of a resistivity of 10^(9)Omega cm and area of cross-section 10^(-1) cm^(-2) . The potential gradient is

The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its area of cross section is 8xx10^(-6)m^(2) . If 0.2 A current is flowing through the wire the potential gradient will be

The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its area of cross section is 8xx10^(-6)m^(2) . If 0.2 A current is flowing through the wire the potential gradient will be

The resistivity of a potentiometer wire is 40xx10^(-8)Omega-m and its area of cross section is 8xx10^(-6)m^(2) . If 0.2 A current is flowing through the wire the potential gradient will be

The resistivity of potentiometer wire is 40xx10^(-8) ohm-metre and its area of cross-section is 8xx10^(-6) m^(2) . If 0.2 ampere current is flowing through the wire, the potential gradient of the wire is

A potentiometer wire has a resistivity of 10^(9)Omega cm and area of cross-section is 10^(-2)"cm"^(2) . If current of 0.01" mA" passes through the wire, potential gradient is

A potentiometer wire has a resistivity of 10^(9)Omega cm and area of cross-section is 10^(-2)"cm"^(2) . If current of 0.01" mA" passes through the wire, potential gradient is