- Piezo-electric
- Photo-electric
- Thermo-electric
- Photo-resistive
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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
Answer: Option 2 Let the capacity of the tank be 100 litres Initially: A type petrol = 100 litres After first operation: A type petrol = $$\frac{{100}}{2}$$ = 50 litres B type petrol =...
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An empty fuel tank of a car was filled with A type petrol. When the tank was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank ?
Answer: Option 2 Let the capacity of the tank be 100 litres. Then, Initially : A type petrol = 100 litres After first operation : A type petrol = $$\left( {\frac{{100}}{{2}}} \right)$$ = 50 litres...
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What is the colour of the fresh grass Statements : I. Blue is called green, red is called orange, orange is called yellow. II. Yellow is called white, white is called black, green is called brown and brown is called purple.?
Answer: Option 2 The colour of fresh grass is 'green' and as given in II, 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.
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The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is?
Answer: Option 4 Let'
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A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current?
Answer: Option 3 Let'
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A sine wave voltage is applied across an inductor. When the frequency of the voltage is decreased, the current?
Answer: Option 1 Let'
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When negative voltage feedback is applied to an amplifier, its voltage gain ___________?
Answer: Option 2 Let'
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What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?
Answer: Option 3 Let'
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If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
Answer: Option 3 Generally, Fishes lives in Water and Water is called Colour in the code. So Fishes live in Colour.
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If Football is called Cricket, Cricket is called Basketball, Basketball is called Badminton, Badminton is called Volleyball, Volleyball is called Hockey and Hockey is called Golf, then which of the following games is not played using a ball?
Answer: Option 1 Badminton is played without any ball and in the question Badminton is called Volleyball.
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