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Electrical
What is photocell and where it is used? What is the difference between a PIR and a photocell sensor?
What is photocell and where it is used? A device that detects light. Used for photographic light meters, automatic on-at-dusk street lights and o…
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Electrical
What is the difference between RCDs and RCBOs ?
Do you know what is the difference between RCD s and RCBO s. RCD s are designed for protection from electrocution or electrical fires. They do this …
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Electrical
Types of Electric Motors
Types of Electric Motors DC Motors: Shunt motor Separately Excited Induction motor Series Motor Permanent Magnet DC (PMDC) Compounded motor …
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Electrical
What is an analog voltmeter? What is an ammeter?
What is an analog voltmeter? An analog voltmeter is used specifically for measuring the AC voltage. The reading is displayed with the help of a p…
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Electrical
What is the DOL starter? | How to control DOL starter? | What is the range of DOL starter?
What is the DOL (Direct On-Line) starter? The DOL (Direct On Line) starters are used for motor having low power ratings. Where the starting current…
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Electrical
What is the function of overload relay (OLR)? | What is the difference between relay and overload relay (OLR)?
What is the function of overload relay (OLR)? An overload relay is a device that protects an electric motor against overloads, phase failure, mecha…
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Electrical
What is shunt trip in MCCB? | Shunt trip coil connection? | shunt coil in mccb
What is shunt trip in MCCB? A shunt trip device is an optionally available accessory in a circuit breaker that mechanically trip the circuit brea…
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