## Electric Circuits Electrolyte for silver plating is

any of above.
double cyanide of silver and potassium solution.
dilute sulphuric acid.
potassium nitrate solution.

## Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

(8.66 - j5) A.
(-8.66 - j5) A.
(8.66 + j5) A.
(-9.66 + j5) A.

## Electric Circuits Find the Z parameters of the circuit shown in figure.

Z11 = 2; Z12 = 1; Z21 = 1; Z22 = 2
Z11 = 1; Z12 = 1; Z21 = 1; Z22 = 1
Z11 = 3; Z12 = 3; Z21 = 3; Z22 = 3
Z11 = 3; Z12 = 1; Z21 = 1; Z22 = 3

## Electric Circuits Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

(G1 + G2 + G3) - 1.
G1 + G2 + G3.
(1 / G1 + 1 / G2 + 1 / G3) - 1.
1 / G1 + 1 / G2 + 1 / G3.

10 A.
15 A.
7 A.
20 A.

## Electric Circuits The internal resistance of a practical voltage source is considered to be connected in

either parallel or series.
series.
None of these
parallel.