Current Transformer danger when secondary is left open
Sep 21, 2014 · If the primary source generating the current is 110V then the secondary peak voltage will rise to 110V x 100 x 1.4 = 15,400V which is obviously a very dangerous voltage and will likely arc …
Effect of open on parallel circuit - All About Circuits
Oct 11, 2014 · I'm trying to understand the answer to 2 questions involving this circuit (attached) Q. 1 and the answer say: if R3 opens the voltage across it will decrease. Q. 2 and the answer say: if R1 …
Inductors and Suddenly Opening circuit | All About Circuits
Feb 28, 2015 · I know capacitors can store charge, and when disconnected from a circuit they hold onto that charge. I know inductors store energy in their magnetic field, generated by current flowing …
Voltage across an open switch - All About Circuits
Jun 8, 2009 · The voltage across an open switch will be the same as the circuit Vcc. The voltage across a closed switch will be zero volt (or close to zero) depending on the internal resistance of the switch …
Push button opens the circuit - All About Circuits
Nov 27, 2009 · So a normally open contact will be like an open circuit and current cannot flow pass the contact. The link you have provided indicates a switch which closes when user presses it but yours …
Testing blown open circuit speakers with multimeter
Nov 15, 2020 · I need to test the speaks on my car from the connector just behind the radio. I would like to test if any of them are blown. If speakers were blown then would I get a certain ohm reading …
Open Drain circuit - All About Circuits
May 18, 2020 · Learn the basic concepts of direct current (DC), circuit laws, electrical safety, and testing. Learn the fundamentals of alternating current (AC), impedance, motors, and transmission …
find the open circuit voltage - All About Circuits
Sep 21, 2024 · Learn the basic concepts of direct current (DC), circuit laws, electrical safety, and testing. Learn the fundamentals of alternating current (AC), impedance, motors, and transmission lines. …
Open drain - All About Circuits
Jan 29, 2024 · Open collector and open drain are useful for implementing "wired-OR" logic in party line situations. It is a way of creating an OR gate for negative logic without using an actual OR-gate. …
Voltage drop across a resistor in an open circuit?
Aug 30, 2007 · Hi, as seen in the problem below, I need to find the voltage drop across the resistors when the switches are open. I know that voltage across a break is equal to the supplied voltage. But …