Transformers In a transformer the energy is conveyed from primary to secondary through air by the flux None of these through cooling coil through air by the flux None of these through cooling coil ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device Uses capacitive coupling Uses electric coupling Uses inductive coupling A static device ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of more than 15 A less than 15 A 15 A None of these more than 15 A less than 15 A 15 A None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 0.75 V 6 V 48 V 0 V 0.75 V 6 V 48 V ANSWER DOWNLOAD EXAMIANS APP
Transformers The transformer that should never the secondary open circuited when primary is energised is _______ Voltage transformer Auto transformer Current transformer Power transformer Voltage transformer Auto transformer Current transformer Power transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage None of these to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns ANSWER DOWNLOAD EXAMIANS APP
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