155402 In a step-up transformer the voltage in the primary is $220 \mathrm{~V}$ and the current is $5 \mathrm{~A}$. The secondary voltage is found to be $22000\mathrm{~V}$. The current in the secondary (neglect losses) is

155403 A transformer of $100 \%$ efficiency has 200 turns in the primary and 40000 turns in secondary. It is connected to a $220 \mathrm{~V}$ main supply and secondary feeds to a $100 \mathrm{k} \Omega$ resistance. The potential difference per turn is

155406 An electric motor driven pump fills an overhead tank placed at a height of $20 \mathrm{~m}$ from the ground- level pump at a rate of 20,000 liter water per hour. The motor has an operating resistance of $22 \Omega$ and is connected across a 220 $V$ source. The efficiency of this motor is (Use $\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^{2}$ )

155407 The output of a step down transformer is measured to be $48 \mathrm{~V}$ when connected to a $12 \mathrm{~W}$ bulb. The value of peak current is :

155402 In a step-up transformer the voltage in the primary is $220 \mathrm{~V}$ and the current is $5 \mathrm{~A}$. The secondary voltage is found to be $22000\mathrm{~V}$. The current in the secondary (neglect losses) is

155403 A transformer of $100 \%$ efficiency has 200 turns in the primary and 40000 turns in secondary. It is connected to a $220 \mathrm{~V}$ main supply and secondary feeds to a $100 \mathrm{k} \Omega$ resistance. The potential difference per turn is

155406 An electric motor driven pump fills an overhead tank placed at a height of $20 \mathrm{~m}$ from the ground- level pump at a rate of 20,000 liter water per hour. The motor has an operating resistance of $22 \Omega$ and is connected across a 220 $V$ source. The efficiency of this motor is (Use $\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^{2}$ )

155407 The output of a step down transformer is measured to be $48 \mathrm{~V}$ when connected to a $12 \mathrm{~W}$ bulb. The value of peak current is :

155402 In a step-up transformer the voltage in the primary is $220 \mathrm{~V}$ and the current is $5 \mathrm{~A}$. The secondary voltage is found to be $22000\mathrm{~V}$. The current in the secondary (neglect losses) is

155403 A transformer of $100 \%$ efficiency has 200 turns in the primary and 40000 turns in secondary. It is connected to a $220 \mathrm{~V}$ main supply and secondary feeds to a $100 \mathrm{k} \Omega$ resistance. The potential difference per turn is

155406 An electric motor driven pump fills an overhead tank placed at a height of $20 \mathrm{~m}$ from the ground- level pump at a rate of 20,000 liter water per hour. The motor has an operating resistance of $22 \Omega$ and is connected across a 220 $V$ source. The efficiency of this motor is (Use $\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^{2}$ )

155407 The output of a step down transformer is measured to be $48 \mathrm{~V}$ when connected to a $12 \mathrm{~W}$ bulb. The value of peak current is :

155402 In a step-up transformer the voltage in the primary is $220 \mathrm{~V}$ and the current is $5 \mathrm{~A}$. The secondary voltage is found to be $22000\mathrm{~V}$. The current in the secondary (neglect losses) is

155403 A transformer of $100 \%$ efficiency has 200 turns in the primary and 40000 turns in secondary. It is connected to a $220 \mathrm{~V}$ main supply and secondary feeds to a $100 \mathrm{k} \Omega$ resistance. The potential difference per turn is

155406 An electric motor driven pump fills an overhead tank placed at a height of $20 \mathrm{~m}$ from the ground- level pump at a rate of 20,000 liter water per hour. The motor has an operating resistance of $22 \Omega$ and is connected across a 220 $V$ source. The efficiency of this motor is (Use $\mathrm{g}=9.8 \mathrm{~m} / \mathrm{s}^{2}$ )

155407 The output of a step down transformer is measured to be $48 \mathrm{~V}$ when connected to a $12 \mathrm{~W}$ bulb. The value of peak current is :