Solved papers for JEE Main & Advanced JEE Main Solved Paper-2014
done JEE Main Solved Paper-2014 Total Questions - 2
question_answer1) 2. The current voltage relation of diode is given by \[I=\left( {{e}^{1000V/T}}-1 \right)mA,\]where the applied voltage V is in volts and the temperature T is in degree Kelvin. If a student makes an error measuring ± 0.01 V while measuring the current of 5 mA at 300 K, what will be the error in the value of current in mA?
JEE Main Solved Paper-2014
question_answer2) 5. A student measured the length of a rod and wrote it as 3.50 cm. Which instrument did he use to measure it ?
JEE Main Solved Paper-2014
A)
A screw gauge having 100 divisions in the circular scale and pitch as 1 mm.
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B)
A screw gauge having 50 divisions in the circular scale and pitch as 1 mm.
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C)
A meter scale.
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D)
A verniercalliper where the 10 divisions in vernier scale matches with 9 division in main scale &main scale has 10 divisions in 1 cm.