What are theproblems that cause an electrical motor to malfunction? Answer: Three Problems That Can Cause an Electrical Motor to Malfunction: Electrical Overload: Electrical overload occurs when the motor experiences excessive current flow, surpassing its designed capacity. This can result from low supply voltage, short-circuited conductors, or overvoltage, leading to …
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What is the power consumption of a 2.5 ton split AC? Answer: The power consumption of a 2.5 ton split AC typically ranges from 1,800 to 2,500 watts (1.8 to 2.5 kilowatts) per hour of operation, depending on factors like the AC’s efficiency, brand, and usage conditions. Reasoning: The power …
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What will happen if a phone battery is overcharged? Answer: Overcharging a phone battery can lead to overheating, swelling, reduced battery lifespan, and in extreme cases, a risk of fire or explosion. Reasoning: Phone batteries are designed to be charged within a certain voltage and current range. Overcharging occurs when …
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Is a Charged Battery Heavier Than a Depleted One? Answer No, a charged battery is not heavier than a depleted one. The mass of a battery is determined by its chemical composition, and charging or discharging a battery involves a transfer of electrons, which does not change its overall mass. …
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What will happen if a phone battery is overcharged? Answer: Overcharging a phone battery can lead to overheating, swelling, reduced battery lifespan, and in extreme cases, a risk of fire or explosion. Reasoning: Phone batteries are designed to be charged within a certain voltage and current range. Overcharging occurs when …
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Which wire is used in the winding of motors and generators? Answer: Copper wire is commonly used in the winding of motors and generators due to its excellent electrical conductivity, thermal properties, and mechanical strength. Reasoning: Copper is a preferred choice for winding motors and generators due to its high …
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How long does it take for an electric car to charge? Answer The charging time for an electric car varies widely depending on factors like the car’s battery capacity, the charging station’s power output, and the state of charge. Reasoning The time it takes to charge an electric car is …
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Why don’t transformers work with direct current? Answer: Transformers don’t work with direct current (DC) because they rely on the changing magnetic fields generated by alternating current (AC) to induce voltage across coils, a process not present in steady DC. Reasoning: Transformers operate based on Faraday’s law of electromagnetic induction. …
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Why is a Transistor Called a Current Control Device ? Answer: A transistor is called a current control device because it regulates the flow of electric current between its terminals by using a small input current to control a larger output current. This property is essential for its role in …
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Which motor is used in ceiling fan? Answer: The motor commonly used in ceiling fans is an induction motor. Reasoning: Ceiling fans typically use single-phase induction motors. These motors are chosen for ceiling fans due to their efficiency, simplicity, and cost-effectiveness. Induction motors work based on electromagnetic induction, a fundamental …
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