The output
The output voltage of the transformer is 880 V. The secondary coil has 1200 turns. Find the voltage to which the primary coil is connected and how many turns it has if a current of 1 A flows through it. Transformation ratio k = 4. What current flows through the secondary coil?
Correct answer:

Tips to related online calculators
Check out our ratio calculator.
You need to know the following knowledge to solve this word math problem:
Themes, topics:
Level of the problem:
Related math problems and questions:
- Coils of transformer
The primary coil of the transformer has 400 turns, a current of 1.5 A passes through it and is connected to a voltage of 220 V. For the secondary coil, find the voltage, current, and a number of turns if the transformation ratio k = 0.1.
- The transformer
The primary coil of the transformer has 1100 turns and is connected to a voltage of 220 V. How many turns does the secondary coil have when it has a voltage of 55 V? Determine the transformation ratio and decide what the transformation is.
- Coils of transformer
What voltage is generated on the secondary coil of the transformer, which has 1500 turns, if the primary coil is connected to a voltage of 120 V and has 500 turns? What is the transformation ratio and what is the transformation about?
- Coils of transformer
The primary coil of the transformer has 1100 turns and is connected to a voltage of 220V. How many turns does the secondary coil have when the voltage on it is 55 V? Find the transformation ratio and decide what kind of transformation.
- Transformer
Transformer - U1 = 230 V, N1 = 300, N2 = 1,200, I1 = 4 A. Calculate the transformation ratio, voltage and current in the secondary coil.
- The bulb
The bulb has a reading of 6V-0.05 A, what current flows through the bulb if we connect it to a cell with a voltage of 12V?
- The appliance
The appliance has a power input of 2.3 kW and is connected to the mains voltage of 230 V. What is the current flowing through the appliance?
- Voltage - Kirchoff laws
At a voltage of 2.5V, a current I1= 20mA flows through the resistor. What will be the voltage at the ends of the resistor when the current I2= 1,2A passes through it?
- Self-inductance 46011
Calculate the self-inductance of the coil, which has 1,300 turns, if the inductive current through the coil changes by 6 * 10 ^ -5 Wb by a constant current change of 2A.
- Resistance 5713
The kettle is connected to a voltage of 230 V. Its resistance is 130 ohms. What is the current flowing through the kettle?
- Mains voltage
How much electric current flows through the appliance with a resistance of 40kΩ, which is connected to the mains voltage (230 V)?
- A fan
A fan with a resistance of 20 Ω is connected to a power supply. The current flowing through the circuit is 2.5 A. What is the voltage of the power supply?
- Serial resistors
In the circuit shown ( two resistiors R1 and R2 serial connected), the total resistance from A to B is 16 ohms. Find the resistance R2 and the current through the R1 = 12-Ohm resistor, if voltage between A and B is 10 V.
- Cooker spiral
A current of 4.4 A flow through the spiral of the electric cooker at a voltage of 220 V. What is the resistance of the spiral?
- Direction indicator
As that which the electrical voltage is connected to the lamp direction indicator 7400 mOhm resistance when current of 1.6 A passes through it?
- Measurement 12251
The measurement showed that a current of 160 mA flows through the appliance at a voltage of 4 V. What current flows through this appliance when connected to a voltage of 12 V?
- Cylindrical 46021
Calculate the magnetic field energy of a cylindrical coil with 400 turns, a length of 0.4 m, and a radius of 20 mm. A current of 3A passes through the coil. (µo = 4π 10-7 H. M-1)