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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?
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?
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...
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