05. Dynamo, Transformer Inductance
Alternating Current

155384 What is correct for real transformer?

1 $\mathrm{P}_{\mathrm{i}}>\mathrm{P}_{0}$
2 $\mathrm{P}_{\mathrm{i}} \lt \mathrm{P}_{0}$
3 $\mathrm{P}_{\mathrm{i}}=\mathrm{P}_{0}$
4 All are correct
Alternating Current

155419 Which quantity is increased in step down transformer?

1 Current
2 Voltage
3 Power
4 Frequency
Alternating Current

155438 Voltage in the secondary coil of a transformer does not depend upon

1 frequency of the source
2 voltage in the primary coil
3 ratio of number of turns in the two coils
4 both (b) and (c)
Alternating Current

155453 A step up transformer operates on a 200 volt line and supplies to a load of 2 amp. The ratio of primary to secondary windings is $1: 25$. Determine the primary current ?

1 $8.8 \mathrm{amp}$
2 $0.08 \mathrm{amp}$
3 $12.5 \mathrm{amp}$
4 $50 \mathrm{amp}$
Alternating Current

155368 For an ideal transformer, if $N_{s}>N_{p}$ then

1 $V_{s} \lt V_{p}$
2 $\mathrm{V}_{\mathrm{s}}>\mathrm{V}_{\mathrm{p}}$
3 $\mathrm{V}_{\mathrm{s}}=\mathrm{V}_{\mathrm{p}}$
4 None of these
Alternating Current

155384 What is correct for real transformer?

1 $\mathrm{P}_{\mathrm{i}}>\mathrm{P}_{0}$
2 $\mathrm{P}_{\mathrm{i}} \lt \mathrm{P}_{0}$
3 $\mathrm{P}_{\mathrm{i}}=\mathrm{P}_{0}$
4 All are correct
Alternating Current

155419 Which quantity is increased in step down transformer?

1 Current
2 Voltage
3 Power
4 Frequency
Alternating Current

155438 Voltage in the secondary coil of a transformer does not depend upon

1 frequency of the source
2 voltage in the primary coil
3 ratio of number of turns in the two coils
4 both (b) and (c)
Alternating Current

155453 A step up transformer operates on a 200 volt line and supplies to a load of 2 amp. The ratio of primary to secondary windings is $1: 25$. Determine the primary current ?

1 $8.8 \mathrm{amp}$
2 $0.08 \mathrm{amp}$
3 $12.5 \mathrm{amp}$
4 $50 \mathrm{amp}$
Alternating Current

155368 For an ideal transformer, if $N_{s}>N_{p}$ then

1 $V_{s} \lt V_{p}$
2 $\mathrm{V}_{\mathrm{s}}>\mathrm{V}_{\mathrm{p}}$
3 $\mathrm{V}_{\mathrm{s}}=\mathrm{V}_{\mathrm{p}}$
4 None of these
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Alternating Current

155384 What is correct for real transformer?

1 $\mathrm{P}_{\mathrm{i}}>\mathrm{P}_{0}$
2 $\mathrm{P}_{\mathrm{i}} \lt \mathrm{P}_{0}$
3 $\mathrm{P}_{\mathrm{i}}=\mathrm{P}_{0}$
4 All are correct
Alternating Current

155419 Which quantity is increased in step down transformer?

1 Current
2 Voltage
3 Power
4 Frequency
Alternating Current

155438 Voltage in the secondary coil of a transformer does not depend upon

1 frequency of the source
2 voltage in the primary coil
3 ratio of number of turns in the two coils
4 both (b) and (c)
Alternating Current

155453 A step up transformer operates on a 200 volt line and supplies to a load of 2 amp. The ratio of primary to secondary windings is $1: 25$. Determine the primary current ?

1 $8.8 \mathrm{amp}$
2 $0.08 \mathrm{amp}$
3 $12.5 \mathrm{amp}$
4 $50 \mathrm{amp}$
Alternating Current

155368 For an ideal transformer, if $N_{s}>N_{p}$ then

1 $V_{s} \lt V_{p}$
2 $\mathrm{V}_{\mathrm{s}}>\mathrm{V}_{\mathrm{p}}$
3 $\mathrm{V}_{\mathrm{s}}=\mathrm{V}_{\mathrm{p}}$
4 None of these
Alternating Current

155384 What is correct for real transformer?

1 $\mathrm{P}_{\mathrm{i}}>\mathrm{P}_{0}$
2 $\mathrm{P}_{\mathrm{i}} \lt \mathrm{P}_{0}$
3 $\mathrm{P}_{\mathrm{i}}=\mathrm{P}_{0}$
4 All are correct
Alternating Current

155419 Which quantity is increased in step down transformer?

1 Current
2 Voltage
3 Power
4 Frequency
Alternating Current

155438 Voltage in the secondary coil of a transformer does not depend upon

1 frequency of the source
2 voltage in the primary coil
3 ratio of number of turns in the two coils
4 both (b) and (c)
Alternating Current

155453 A step up transformer operates on a 200 volt line and supplies to a load of 2 amp. The ratio of primary to secondary windings is $1: 25$. Determine the primary current ?

1 $8.8 \mathrm{amp}$
2 $0.08 \mathrm{amp}$
3 $12.5 \mathrm{amp}$
4 $50 \mathrm{amp}$
Alternating Current

155368 For an ideal transformer, if $N_{s}>N_{p}$ then

1 $V_{s} \lt V_{p}$
2 $\mathrm{V}_{\mathrm{s}}>\mathrm{V}_{\mathrm{p}}$
3 $\mathrm{V}_{\mathrm{s}}=\mathrm{V}_{\mathrm{p}}$
4 None of these
Alternating Current

155384 What is correct for real transformer?

1 $\mathrm{P}_{\mathrm{i}}>\mathrm{P}_{0}$
2 $\mathrm{P}_{\mathrm{i}} \lt \mathrm{P}_{0}$
3 $\mathrm{P}_{\mathrm{i}}=\mathrm{P}_{0}$
4 All are correct
Alternating Current

155419 Which quantity is increased in step down transformer?

1 Current
2 Voltage
3 Power
4 Frequency
Alternating Current

155438 Voltage in the secondary coil of a transformer does not depend upon

1 frequency of the source
2 voltage in the primary coil
3 ratio of number of turns in the two coils
4 both (b) and (c)
Alternating Current

155453 A step up transformer operates on a 200 volt line and supplies to a load of 2 amp. The ratio of primary to secondary windings is $1: 25$. Determine the primary current ?

1 $8.8 \mathrm{amp}$
2 $0.08 \mathrm{amp}$
3 $12.5 \mathrm{amp}$
4 $50 \mathrm{amp}$
Alternating Current

155368 For an ideal transformer, if $N_{s}>N_{p}$ then

1 $V_{s} \lt V_{p}$
2 $\mathrm{V}_{\mathrm{s}}>\mathrm{V}_{\mathrm{p}}$
3 $\mathrm{V}_{\mathrm{s}}=\mathrm{V}_{\mathrm{p}}$
4 None of these