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4. If the voltage across the secondary coil of an x-ray transformer is 100,000volts when the...
A step-down transformer produces a voltage of 6.0V across the secondary coil when the voltage across the primary coil is 140V . What voltage appears across the primary coil of this transformer if 140V is applied to the secondary coil?
A step-down transformer produces a voltage of 6.1 V across the secondary coil when the voltage across the primary coil is 130 V . What voltage appears across the primary coil of this transformer if 130 V is applied to the secondary coil?
A step-down transformer produces a voltage of 5.4 V across the secondary coil when the voltage across the primary coil is 140 V. What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary coil?
A step-down transformer produces a voltage of 5.9 V across the secondary coil when the voltage across the primary coil is 140 V . Part A What voltage appears across the primary coil of this transformer if 140 V is applied to the secondary coil? Express your answer using two significant figures.
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.
The secondary coil of a step-up transformer provides the voltage that operates an electrostatic air filter. The turns ratio of the transformer is 42:1. The primary coil is plugged into a standard 120-V outlet. The current in the secondary coil is 2.0 x 10-3 A. Find the power consumed by the air filter.
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?
1.) A multipurpose transformer has a secondary coil with several points at which a voltage can be extracted, giving outputs of 5.60, 12.0, and 480 V. (a) The input voltage is 140 V to a primary coil of 300 turns. What are the numbers of turns in the parts of the secondary used to produce the output voltages? 5.60 V ________turns 12.0 V_________ turns 480 V ________turns (b) If the maximum input current is 5.50 A, what are the maximum...
If the average current passing through the secondary coil of the transformer with 40 turns and a secondary voltage of 24-V AC is 10 A, what average current is passing through the primary coil that makes 200 turns and has a primary voltage of 120-V AC?
The primary coil of a transformer has N1 = 380 turns, and the secondary coil has N2 = 2 250 turns. If the input voltage across the primary coil is Δv(t) = 170 cos ωt, where Δv is in volts and t is in seconds, what rms voltage is developed across the secondary coil? _________ V