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how to calculate resistance box for slipring motors
In order to calculate the effective combined resistance, we need to know whether they are connected in series or in parallel. We don't know which circuit configuration is indicated when you say "along with".
an ideal ammeter has zero or negligible resistance when this is connected in series no effective resistance would be added in the circuit so that the value of curret that we get is exactly of the circuit only. but when the ammeter is connected in parllel as it has zero resistance , the resistor to which it is connected in parllel gets shorted and due to his the effective resistance of the circuit is changed and so the effective current ... due to this the w=value measured by the ammeter would be different (incresed due to dec. in effective resistance)
Equivalent series resistance (ESR) is an effective resistance that is used to describe the resistive parts of the impedance of certain electrical components.
The resistance of a series circuit is simply the sum of the individual resistors.
its the same as normal resistance, so if you wanted to add the resistors when in parallel you would add them by 1/R1 +1/R2=. If they were in series you would simply add.
An effective resistance posture
The current in each individual component of the parallel circuit is equal to (voltage across the combined group of parallel components) / (individual component's resistance). The total current is the sum of the individual currents. ============================== Another approach is to first calculate the combined effective resistance of the group of parallel components. -- take the reciprocal of each individual resistance -- add all the reciprocals -- the combined effective resistance is the reciprocal of the sum. Then, the total current through the parallel circuit is (voltage across the parallel circuit) / (combined effective resistance of the components).
Resistance is resistance , no matter if it is contact resistance or any other resistance. And formula is R = V / I.
how to calculate resistance box for slipring motors
MY ANSWER!!Not very effective if you ask me.....
MY ANSWER!!Not very effective if you ask me.....
Rt = 1.25
How do you calculate Resistance of 70mm2 single core wire?Read more: How_do_you_calculate_resistence_of_70mm2_single_core_wire
In order to calculate the effective combined resistance, we need to know whether they are connected in series or in parallel. We don't know which circuit configuration is indicated when you say "along with".
-- The voltage doesn't change. -- If the second light bulb is identical to the first, then the total resistance drops by half. -- If they're not identical, then we have to know the details of both before we can calculate their combined effective resistance.
Identify some posture and resistance constants of an effective resistance posture