Pantograph is
(A) a device used to draw Speed-Time characteristics in traction.
(B) used to supply a.c. to transformer in locomotive.
(C) a part of the control devices in locomotives.
(D) used in traction motors for better efficiency.
(A) a device used to draw Speed-Time characteristics in traction.
(B) used to supply a.c. to transformer in locomotive.
(C) a part of the control devices in locomotives.
(D) used in traction motors for better efficiency.