The coefficient of adhesion is
(a) Zero in traction systems (b) Low in case of AC traction high in DC traction (c) High in AC traction low in case of DC traction (d) Same on AC and DC traction systems
(a) Zero in traction systems (b) Low in case of AC traction high in DC traction (c) High in AC traction low in case of DC traction (d) Same on AC and DC traction systems