Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Neither 25 W Both 100 W Neither 25 W Both 100 W ANSWER DOWNLOAD EXAMIANS APP
Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 4 only 1, 2 and 3 only 1, 2, 3 and 4 3 and 4 only 4 only 1, 2 and 3 only 1, 2, 3 and 4 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool increases the temperature of the body Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool is a bad conductor Wool increases the temperature of the body Wool rejects heat from the outer objects Wool absorbs radiant heat from outer objects Wool is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because specific heat of mercury is more than water specific heat of mercury is less than water mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is more than water specific heat of mercury is less than water mercury has greater visibility than water density of mercury is more than the water ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 100K 0 K 273K 373K 100K 0 K 273K 373K ANSWER DOWNLOAD EXAMIANS APP
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