A transformer consists of 290 primary windings and 842 secondary windings.
PART A: If the potential difference across the primary coil is 29.0 V , what is the voltage across the secondary coil? Express your answer in volts to three significant figures.
PART B: If the potential difference across the primary coil is 29.0 V , what is the current in the secondary coil if it is connected across a 150 Ω resistor? Express your answer in amperes to three significant figures.
A transformer consists of 290 primary windings and 842 secondary windings. PART A: If the potential...
A transformer consists of 290 primary windings and 824 secondary windings. Part A: If the potential difference across the primary coil is 21.5 V , what is the voltage across the secondary coil? Part B: If the potential difference across the primary coil is 21.5 V , what is the current in the secondary coil if it is connected across a 115 Ω resistor?
A transformer consists of 300 primary windings and 830 secondary windings. A.) If the potential difference across the primary coil is 28.5 V , what is the voltage across the secondary coil? V2= ______________ V B.) If the potential difference across the primary coil is 28.5 V , what is the current in the secondary coil if it is connected across a 140 Ω resistor? I = _____________ A
A transformer consists of 340. primary windings and 980. secondary windings. If the emf of the primary coil is 30.0 V, what is the emf across the secondary coil?
An ideal transformer with 5 turns on the primary and 10 turns on the secondary is shown in the figure. A sinusoidal voltage source having V(t) = 10 sin(100t) volts is connected across the primary and a 1 Ω resistor is connected across the secondary. What is the maximum value of the current in the primary circuit (not the secondary)? (answer is 40 amps)
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 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
Part A A transformer is intended to decrease the value of the alternating voltage from 500 volts to 25 volts. The primary coil contains 200 turns. Find the necessary number of turns N2 in the secondary coil. Part B A transformer is intended to decrease the value of the alternating current from 500 amperes to 25 amperes. The primary coil contains 200 turns. Find the necessary number of turns N2 in the secondary coil Part c: In a transformer, the...
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?
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...
#11 Step Up Transformer A transformer primary coil has 2,300 windings, while the sec- ondary coil has 12,400 windings. If the primary coil is operated at a RMS voltage of 10.0 V, what is the RMS voltage in the secondary coil? A. 1.86 V B. 24.1 V C. 53.9 V D. 120 V w