Transformers Primary winding of a transformer could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these could either be a low voltage or high voltage winding is always a high voltage winding is always a low voltage winding None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is also called its Current efficiency Energy efficiency None of the listed here Power efficiency Current efficiency Energy efficiency None of the listed here Power efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers In a certain loaded transformer, the secondary voltage is one-fourth the primary voltage. The secondary current is one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current one-fourth the primary current and equal to the primary current equal to the primary current four times the primary current one-fourth the primary current ANSWER DOWNLOAD EXAMIANS APP
Transformers The secondary of a current transformer is always short-circuited under operating conditions because it is safe to human beings protects the primary circuit avoids core saturation and high voltage induction None of these is safe to human beings protects the primary circuit avoids core saturation and high voltage induction None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 0.9 V 9 V 90 V 900 V 0.9 V 9 V 90 V 900 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling Uses inductive coupling Uses electric coupling Is a static device Uses capacitive coupling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS