Production of x-ray tube begins with
photo electric emission
collision of electrons
thermionic emission
field emission of electrons
Correct answer is D
No explanation has been provided for this answer.
3\(\lambda_o\)
2\(\lambda_o\)
\(\frac{3}{4}\)\(\lambda_o\)
\(\frac{1}{3}\)\(\lambda_o\)
Correct answer is D
No explanation has been provided for this answer.
Calculate the reactance of the inductor in the circuit diagram shown above [\(\pi = \frac{22}{7}\)]
132\(\Omega\)
214\(\Omega\)
264\(\Omega\)
269\(\Omega\)
Correct answer is C
\(X_L = 2 \pi fL = 2 \times \pi \times 60 \times 0.7 = 264\Omega \)
A major limiting factor of mass production is
Efficient management
Adequate labour supply
Small size of the market
Adequate supply of raw materials
Correct answer is C
No explanation has been provided for this answer.
n = 2 to n = 1
n = 1 to n = 2
n = 2 to n = 3
n = 3 to n = 2
Correct answer is B
No explanation has been provided for this answer.
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