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Provide details, how you found your answer, thx! A step-down transformer is needed to reduce a...
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 is used to step down the voltage from 120V to 6V for use with an electric razor. if the razor draws a current of 0.5A, what current is drawn from the 120V lines? what is the ratio of the loops in the primary and secondary coils of the transformer?
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...
9. To step 120 V down to 30 V, what must the turns ratio be? 11. How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 6 V ac?
70. A transformer with a turns ratio (secondary/primary) of 1:18 is used to step down the voltage from a 120-V wall socket to be used in a battery recharging unit. What is the voltage supplied to the recharger?
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.
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 5.00 V. The RMS current delivered to the answering machine is 380 mA. If the primary (input) coil of the transformer has 960 turns, then how many turns are there on the secondary (output) coil? Submit Answer Tries 0/20 What is the power drawn from the electric outlet, if the transformer is assumed to be ideal? Submit...
A step-down transformer is used for a rechargeable phone. a. What is the voltage output of a transformer used for rechargeable flashlight batteries, if its primary has 400 turns, its secondary 2.5 turns, and the input voltage is 110 V? b. What input current is required to produce a 0.50 A output? c. What is the power input?
An ideal step-down transformer has a primary coil of 350 turns and a secondary coil of 10 turns. Its primary coil is plugged into an outlet with 220 V (AC). If the current in the secondary coil is 14.35 A, what current does the primary coil draw?
An AC adapter for a telephone answering machine uses a transformer to reduce the line voltage of 120 V to a voltage of 6.00 V. The RMS current delivered to the answering machine is 600 mA. If the primary (input) coil of the transformer has 360 turns, then how many turns are there on the secondary (output) coil? Tries 0/20 What is the power drawn from the electric outlet, if the transformer is assumed to be ideal? Tries 0/20 What...