05. Dynamo, Transformer Inductance
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Alternating Current

155430 The output power in step-up transformer used in practice is

1 Greater than the input power
2 Equal to the input power
3 Less than the input power
4 None of these
GUJCET 2014
Alternating Current

155431 Which of the following is based on mechanical effect of electric current?

1 AC Dynamo
2 DC Dynamo
3 $\mathrm{AC}$ or DC motor
4 Electric Geyser
COMEDK 2012
Alternating Current

155432 The primary of a transformer when connected to a de battery of 10 Volt draws a current of $1 \mathrm{~mA}$. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the circuit in the secondary are respectively

1 $20 \mathrm{~V}$ and $2.0 \mathrm{~mA}$
2 $10 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
3 $0 \mathrm{~V}$ and $0 \mathrm{~mA}$
4 $20 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
COMEDK 2013
Alternating Current

155435 In a circuit the coil of a choke:

1 decreases the current
2 increases the current
3 has high resistance to D.C. circuit
4 no effect with the current
AIIMS-2001
Alternating Current

155436 A choke coil has:

1 Low inductance and low resistance
2 High inductance and high resistance
3 Low inductance and high resistance
4 High inductance and low resistance
AIIMS-1997
NEET DIGITAL LIBRARY
Alternating Current

155430 The output power in step-up transformer used in practice is

1 Greater than the input power
2 Equal to the input power
3 Less than the input power
4 None of these
GUJCET 2014
Alternating Current

155431 Which of the following is based on mechanical effect of electric current?

1 AC Dynamo
2 DC Dynamo
3 $\mathrm{AC}$ or DC motor
4 Electric Geyser
COMEDK 2012
Alternating Current

155432 The primary of a transformer when connected to a de battery of 10 Volt draws a current of $1 \mathrm{~mA}$. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the circuit in the secondary are respectively

1 $20 \mathrm{~V}$ and $2.0 \mathrm{~mA}$
2 $10 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
3 $0 \mathrm{~V}$ and $0 \mathrm{~mA}$
4 $20 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
COMEDK 2013
Alternating Current

155435 In a circuit the coil of a choke:

1 decreases the current
2 increases the current
3 has high resistance to D.C. circuit
4 no effect with the current
AIIMS-2001
Alternating Current

155436 A choke coil has:

1 Low inductance and low resistance
2 High inductance and high resistance
3 Low inductance and high resistance
4 High inductance and low resistance
AIIMS-1997
Join With Us for More Updates
Alternating Current

155430 The output power in step-up transformer used in practice is

1 Greater than the input power
2 Equal to the input power
3 Less than the input power
4 None of these
GUJCET 2014
Alternating Current

155431 Which of the following is based on mechanical effect of electric current?

1 AC Dynamo
2 DC Dynamo
3 $\mathrm{AC}$ or DC motor
4 Electric Geyser
COMEDK 2012
Alternating Current

155432 The primary of a transformer when connected to a de battery of 10 Volt draws a current of $1 \mathrm{~mA}$. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the circuit in the secondary are respectively

1 $20 \mathrm{~V}$ and $2.0 \mathrm{~mA}$
2 $10 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
3 $0 \mathrm{~V}$ and $0 \mathrm{~mA}$
4 $20 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
COMEDK 2013
Alternating Current

155435 In a circuit the coil of a choke:

1 decreases the current
2 increases the current
3 has high resistance to D.C. circuit
4 no effect with the current
AIIMS-2001
Alternating Current

155436 A choke coil has:

1 Low inductance and low resistance
2 High inductance and high resistance
3 Low inductance and high resistance
4 High inductance and low resistance
AIIMS-1997
For More Updates join with Us
Alternating Current

155430 The output power in step-up transformer used in practice is

1 Greater than the input power
2 Equal to the input power
3 Less than the input power
4 None of these
GUJCET 2014
Alternating Current

155431 Which of the following is based on mechanical effect of electric current?

1 AC Dynamo
2 DC Dynamo
3 $\mathrm{AC}$ or DC motor
4 Electric Geyser
COMEDK 2012
Alternating Current

155432 The primary of a transformer when connected to a de battery of 10 Volt draws a current of $1 \mathrm{~mA}$. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the circuit in the secondary are respectively

1 $20 \mathrm{~V}$ and $2.0 \mathrm{~mA}$
2 $10 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
3 $0 \mathrm{~V}$ and $0 \mathrm{~mA}$
4 $20 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
COMEDK 2013
Alternating Current

155435 In a circuit the coil of a choke:

1 decreases the current
2 increases the current
3 has high resistance to D.C. circuit
4 no effect with the current
AIIMS-2001
Alternating Current

155436 A choke coil has:

1 Low inductance and low resistance
2 High inductance and high resistance
3 Low inductance and high resistance
4 High inductance and low resistance
AIIMS-1997
NEET DIGITAL LIBRARY
Alternating Current

155430 The output power in step-up transformer used in practice is

1 Greater than the input power
2 Equal to the input power
3 Less than the input power
4 None of these
GUJCET 2014
Alternating Current

155431 Which of the following is based on mechanical effect of electric current?

1 AC Dynamo
2 DC Dynamo
3 $\mathrm{AC}$ or DC motor
4 Electric Geyser
COMEDK 2012
Alternating Current

155432 The primary of a transformer when connected to a de battery of 10 Volt draws a current of $1 \mathrm{~mA}$. The number of turns of the primary and secondary windings are 50 and 100 respectively. The voltage in the secondary and the current drawn by the circuit in the secondary are respectively

1 $20 \mathrm{~V}$ and $2.0 \mathrm{~mA}$
2 $10 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
3 $0 \mathrm{~V}$ and $0 \mathrm{~mA}$
4 $20 \mathrm{~V}$ and $0.5 \mathrm{~mA}$
COMEDK 2013
Alternating Current

155435 In a circuit the coil of a choke:

1 decreases the current
2 increases the current
3 has high resistance to D.C. circuit
4 no effect with the current
AIIMS-2001
Alternating Current

155436 A choke coil has:

1 Low inductance and low resistance
2 High inductance and high resistance
3 Low inductance and high resistance
4 High inductance and low resistance
AIIMS-1997