By burden of relay we mean
Volt-ampere rating of relay
Current rating of relay
Voltage rating of relay
Watt rating of relay
Volt-ampere rating of relay
Burden
of relay means VA rating of relay. Since, relay is connected to secondary of CT
so, total power consumption by relay is known as burden of relay. It is
expressed as Volt-ampere rating.
Hence,
the correct option is (A).
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