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Shweta has connected a cell with a bulb. The bulb didn't glow. What could be the reasons? A. Bulb was connected by the positive terminal from both ends. B. One end of the bulb was connected with a positive terminal and another end was connected with a negative terminal.  C. Bulb was connected by the negative terminal from both ends D. Bulb was fuse.
Consider the following statements: 1. The voltage developed across the OFF switches of the half-bridge converter is the maximum dc-link voltage. 2. In the full-bridge converter, the voltage across the primary of the transformer is the dc link voltage. 3. The voltage developed across the OFF switches of the full-bridge converter is half the maximum dc-link voltage. Which of the above statements are correct?
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: No fan is a tube lights. All light is a tube light. Some lights are bulb. Conclusions: I. No light is a fan. II. Some tube light is a bulb. III. Some bulb is a fan.
There are two boxes. Box I contains one white card and two black cards and Box II contains one white card and a black card. Two persons P and Q play a game. P picks a card randomly from Box I. If P finds the white card, P wins and the game stops. If P finds the black card, Q draws a card randomly from Box II. If Q finds the white card Q wins. The game stops whether Q draws the white card or P draws the white card. Which one of the following is correct?
An electric cell is connected to the bulb from its one end. The other end of both bulb and cell is open. Given, the connections are correct and bulb and cell both are in working conditions, which among the following will ensure that the bulb will not glow when it is connected across both open ends?
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be
Note the following:
1. The shape of light bulb, where the shape functions to make the light bulb more energy-efficient and also serves to identify the commercial source of the light bulb
2. The term "Comfortable Shoes" for shoes that have just been introduced to the market
3. The made-up term "Lappy" for a brand of laptops
Which of the following is likely to be granted registration under the present Trade Mark Act, 1999?
An RLC series circuit has a resistance R of 20Ω and a current which lags behind the applied voltage by 45°. If the voltage across the inductor is twice the voltage across the capacitor, the value of inductive resistance is ____________
An energy source forces a constant current of 2 A for 10s to flow through a light bulb. If 2.3 kJ is given off in the form of light and heat energy, what is the voltage drop across the bulb ?  
A dynamometer type wattmeter with its voltage coil connected across the load side of the instrument reads 200 W. If the load voltage be 240 V, then what power is being taken by the load? The voltage coil branch has a resistance of 1,500 Ω