
1 pts The primary coil of a transformer has 100 loops and is connected to a...
A transformer has 100 loops on the primary coil and 1000 loops on the secondary coil. If the primary coil is connected to 120 VAC, what will the voltage be between the leads in the secondary coil?
A step-up transformer has a primary coil with 145 loops and a secondary coil with 1,595 loops. If the primary coil is supplied with a household current of 120 V and 12 A, (a) what voltage is produced in the secondary circuit? V (b) What current flows in the secondary circuit? A
The primary coil of a transformer contains 50 turns.. The primary coil is connected to an alternative voltage of 5.0 volts. The voltage across the secondary coil is measured 0.5 volts? How may turns does the secondary contain? If the primary current is 2.0 mA (mili-amperes,) what is the secondary current? 1 mA = 10-3 A
1. A transformer with a primary coil of 1200 turns and a secondary coil of 120 turns has 240 V connected to its primary. What is the output voltage?
The primary coil of a transformer has 3,582 loops. The secondary coil has 870,183 loops. The primary coil has a 11 A current and 37 V. a.) Determine the power of the primary coil. W b) Assuming no losses, determine the power of the secondary coil. W c.) Calculate the voltage in the secondary coil. V d.) Calculate the current in the secondary coil. A
The input current of a transformer is 4 A. The primary coil has 50 loops and the secondary has 25 loops. The current that the transformer puts out is
Part A: A transformer with turns ratio (primary/secondary) of 18:1 is used to step down the voltage from a 120 V wall socket to be used in a battery charger. What is the voltage supplied to the recharger? Part B: The electric motor in a toy train requires a voltage of 9.0 V. Find the ratio of turns on the primary coil to the turns on the secondary coil in a transformer that will step the 120-V household voltage down...
If a transformer consists of 88 turns in its primary coil, and 3 turns in its secondary coil, what will be the output voltage (Correct to 1 decimal place) if the input voltage is 240 volts? (Assume the transformer is 100% power efficient).
A transformer has 500 turns of wire wrapped around the primary coil and 75 turns of wire wrapped around the secondary coil. If the input voltage on the primary side is 120 V what will be the output voltage of the transformer? 500 V 75 V 18 V 50 V 800 V
1. If 480 volts is applied to the primary winding of a transformer which has 300 turns in the primary winding and 15 turns in the secondary winding, the secondary voltage will be A. 0.0417 volts. C. 56.8 volts B. 24 volts. D. 9600 volts. 2. A distribution transformer with a grain-orientented steel core is highly efficent because its A. exciting current is sufficiently high. B. flux direction is parallel to the stell-rolling direction C. permeability is increased due to...