Answer Posted / r k k bhagavan
potentiometer is three terminal resistor with a sliding
contact, that provides adjustable voltage by varying the
contact it is used to measure the potential in the circuit.
rheostat is one type of potentiometer but it has two
terminals instead of three terminals these are wildly used
in industries for controlling the motors
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
What is an ideal transformer?
what is inverter and converter
what is the Pickup/drop off ratio in BCPU relays
Why did lightening arrestor solid copper rod head is sharp on mobile tower top?
why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?
What is the effect of pd controller on system performance?
How to calculate the value of earth capacitance in a transmission line.
what is the question paper model for section engineer in RRB
USE OF 8 WAY PAN ASSEMBLY
Why do we perform an open-circuit test and short-circuit test on the transformer?
What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.
how to calculate the no load current in transformer?
In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.
I Have 3 Phase 10 KW AC Alternator i found one phase weak, so what will be the reason & what action shouls i take to rectify the same.
What is the current carrying capacity of 35sq.mm flexible cable?