Post a New Question

physics prob.

posted by .

Neon signs require about 12000V for their operation. The primary operates from 120-V lines.

a)What is the ratio of the number of loops in the secondary to the number of loops in the primary?

b) What is the ratio of the power delivered to the secondary coil to the power supplied by the primary coil?

  • physics prob. -

    I will be happy to critique your thinking.

  • physics prob. -

    a) 100:1
    b) 1:100

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Electromagnetic Iduction

    Neon sign require about 12,000 V for their operation. What should be the ratio of the number of loops in the secondary to the number of loops in the primary for a neon-sign transformer that operates off 120 V lines?
  2. physics prob.

    An ideal transformer has 50 turns in its primary coil and 250 turns in its secondary coil. 12 V is connected to the primary. a)find the voltage across the secondary coil. b) find the current in a 10-ohms device connected to the secondary. …
  3. Physics problem

    Neon signs require about 12000V for their operation. The primary operates from 120V lines. a. What is the ratio of the number of loops in the secondary to the number of loops in the primary?
  4. speech

    Can some one please help me complete PRIMARY SUPPORT and SECONDARY SUPPORT for this speech topic outline?
  5. Voltage

    If a transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil, how do I find the voltage in the secondary coil if the voltage in the primary coil is 120V?
  6. Physics

    A transformer has 3000 loops in its primary coil and 1500 loops in its secondary coil. What is the voltage in the secondary coil if the voltage in the primary coil is 120 V?
  7. physical science

    The primary voltage is still 120 V and the number of primary turns = 60, but now the power in the primary side is 3000 Watts and there is a 120 ohm resistor connected to the secondary. Find the current in the resistor, and the secondary …
  8. Physics - Help!!!

    I am having trouble understanding transformers!! Here is the problem I have to solve: A protable CD player requires 12 volts to operate. A transformer allows the device to be powered from a 120-volt outlet. If the primary has 500 turns, …
  9. science

    A transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil. What is the voltage in the secondary coil if the voltage in the primary coil is 120 V?
  10. Physics

    In a step-up transformer, which of the following statements is correct?

More Similar Questions

Post a New Question