A stepup transformer decreases voltage from 120V to 6V. The secondary coil has 80 turns and...
A stepup transformer decreases voltage from 120V to 6V. The secondary coil has 80 turns and current 50A. Find power, current and number of turns in the primary coil
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A stepup transformer decreases voltage from 120V to 6V. The
secondary coil has 80 turns and...
1. A step down transformer with a turns ratio of 6 to 1 has 120V applied...
1. A step down transformer with a turns ratio of 6 to 1 has 120V applied to its primary coil. A 25Ω load resistor is connected to the secondary coil. Calculate the following (3+2+2 -7 Points) Secondary coil voltage Secondary coil current Primary coil current a. b. c. 2. A step up transformer has a primary coil current of 1SA and an applied voltage of 220V. The secondary coil current is 5A. Calculate the following (3+3+2+2-10 Points) Secondary coil voltage...
A transformer steps down voltage from 1000V to 120V. The primary coil carries 2A and has...
A transformer steps down voltage from 1000V to 120V. The primary coil carries 2A and has 1000 turn. How many turns does the secondary coil have?
An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of...
An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of 22 turns. Its primary coil is plugged into an outlet with 115 V, from which it draws a current of 0.29 A. (a) What is the voltage in the secondary coil? (b) Calculate the current in the secondary coil? (c) Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
An ideal step-down transformer has a primary coil of 400 turns and a secondary coil of...
An ideal step-down transformer has a primary coil of 400 turns and a secondary coil of 25 turns. Its primary coil is plugged into an outlet with 110 V(AC), from which it draws an rms current of 0.83 A. 1.)What is the voltage in the secondary coil? 2.)Calculate the rms current in the secondary coil. 3.)Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
A particular transformer has fewer turns of wire on the secondary coil than on the primary...
A particular transformer has fewer turns of wire on the secondary coil than on the primary coil. Which of the following statements is true? The primary voltage is greater than the secondary voltage The secondary power is greater than the primary power The length of the secondary coil is greater than the length of the primary coil The primary current is greater than the secondary current
The secondary coil of a transformer provides the voltage that operates a food blender. The turns...
The secondary coil of a transformer provides the voltage that operates a food blender. The turns ratio of the transformer is 60/1 (primary/secondary) and is plugged into a 120 Vrms primary outlet. If the current in the secondary is 4.00 mA (rms), what is the power used by the blender?
The primary coil of a transformer makes 240 turns, and the secondary coil of that transformer...
The primary coil of a transformer makes 240 turns, and the secondary coil of that transformer makes 80 turns. If an alternating current of 3.00 A (rms) passes through the primary coil of the transformer, what current passes through the secondary coil of that transformer? Assume the transformer is ideal.
A transformer has 500 turns in the primary and 50 turns in the secondary. If the...
A transformer has 500 turns in the primary and 50 turns in the secondary. If the input voltage is 120V, what is the output voltage? Answer: V If the transformer has an efficiency of 92%, what is the output current if the input current at 120V is 0.50A? Answer: А
A step-down transformer has 83 turns in its primary coil and 24 turns in its secondary...
A step-down transformer has 83 turns in its primary coil and 24 turns in its secondary coil. The primary coil is connected to standard household voltage (rms = 120.0 V, 60.0 Hz). Suppose the secondary coil is connected to a 12.0-Ω resistor. (a) What is the maximum current in the resistor? (b) What is the average power dissipated by the resistor?
A step-up transformer has 23 turns on the primary coil and 800 turns on the secondary...
A step-up transformer has 23 turns on the primary coil and 800 turns on the secondary coil. If this transformer is to produce an output of 5000V with a 14-mA current, what input current and voltage are needed? Input current = .49 A V = ? kV
1. A step down transformer with a turns ratio of 6 to 1 has 120V applied to its primary coil. A 25Ω load resistor is connected to the secondary coil. Calculate the following (3+2+2 -7 Points) Secondary coil voltage Secondary coil current Primary coil current a. b. c. 2. A step up transformer has a primary coil current of 1SA and an applied voltage of 220V. The secondary coil current is 5A. Calculate the following (3+3+2+2-10 Points) Secondary coil voltage...
A transformer has 500 turns in the primary and 50 turns in the secondary. If the input voltage is 120V, what is the output voltage? Answer: V If the transformer has an efficiency of 92%, what is the output current if the input current at 120V is 0.50A? Answer: А
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