Transformers In a certain transformer, the input power to the primary is 120 W. If 8.5 W are lost to the winding resistance, what is the output power to the load, neglecting any other issues? 111.5 W 14.1 W 0 W 1,020 W 111.5 W 14.1 W 0 W 1,020 W ANSWER DOWNLOAD EXAMIANS APP
Transformers Leakage flux in a transformer occurs because Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator Iron core has high permeability Applied voltage is sinusoidal Transformer is not an efficient device Air is not a good magnetic insulator ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through air None of these through cooling coil by the flux through air None of these through cooling coil by the flux ANSWER DOWNLOAD EXAMIANS APP
Transformers The all day efficiency of a transformer is ______ the commercial efficiency. The same as More than None of the listed here Less than The same as More than None of the listed here Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Cylindrical type Circular type Sandwich type Rectangular type Cylindrical type Circular type Sandwich type Rectangular type ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiency of a transformer, under heavy loads, is comparatively low because copper loss becomes high in proportion to the output iron loss is increased considerably secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large copper loss becomes high in proportion to the output iron loss is increased considerably secondary output is much less as compared to primary input voltage drop both in primary and secondary becomes large ANSWER DOWNLOAD EXAMIANS APP
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