In a semiconductor
In a semiconductor
Options
(a) There are no free electrons at any temperature (b) The number of free electrons is more than that in a conductor (c) There are no free electrons at […]
Questions
Zener diode is used
Zener diode is used
Options
(a) as an amplifier (b) as a rectifier (c) as an oscillator (d) as a voltage regulator
Correct Answer:
as a voltage regulator
Explanation:
No explanation available. Be […]
Dimensions of Torque are
Dimensions of Torque are
Options
(a) ML²T⁻² (b) MLT (c) M⁰L⁰T² (d) M²L⁻²T²
Correct Answer:
ML²T⁻²
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
The rest energy of an electron is
The rest energy of an electron is
Options
(a) 1 MeV (b) 930 Mev (c) 0.053 MeV (d) none of these
Correct Answer:
0.053 MeV
Explanation:
No explanation available. Be the first to […]
What is the dimension of impedance?
What is the dimension of impedance?
Options
(a) ML²T⁻³I⁻² (b) M⁻¹L⁻²T³I² (c) ML³T⁻³I⁻² (d) M⁻¹L⁻³T³I²
Correct Answer:
ML²T⁻³I⁻²
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
MA⁻¹T⁻² is the dimensional formula of
MA⁻¹T⁻² is the dimensional formula of
Options
(a) magnetic induction (b) self-inductance (c) electric potential (d) electric field
Correct Answer:
magnetic induction
Explanation:
No explanation available. Be the first to write the explanation […]
RMS velocity of gas is proportional to
RMS velocity of gas is proportional to
Options
(a) T² (b) √T (c) T (d) T³/²
Correct Answer:
√T
Explanation:
No explanation available. Be the first to write the explanation for this question […]
For an ideal gas of diatomic molecules
For an ideal gas of diatomic molecules
Options
(a) Cp = 5R / 2 (b) Cv = 3R / 2 (c) Cp – Cv = 2R (d) Cp = 7R / 2
Correct […]
What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
Options
(a) C²N⁻¹m⁻² (b) Nm²C⁻² (c) Nm²C² (d) unitless
Correct Answer:
Nm²C²
Explanation:
No explanation available. Be the first to write […]
The wavelength of X-rays is in the range
The wavelength of X-rays is in the range
Options
(a) 0.01 Å to 1Å (b) 0.001 nm to 1 nm (c) 0.001 μm to 1 μm (d) 0.001 cm to 1 cm
Correct […]