Related Questions

Wien bridge is used for the measurement of 
ক R
খ F
গ L
ঘ C
Wien bridge is useful for measuring
ক Very high frequency
খ Low frequency
গ Medium frequency
ঘ High frequency
A Wien bridge oscillator uses ___________ feedback
ক Only positive
খ Only negative
গ Both positive and negative
ঘ None of the above
In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency ___________
ক Remains the same
খ Decreases
গ Increases
ঘ Insufficient data
সূর্যপৃষ্ঠ নিঃসৃত সর্বাধিক শক্তির তরঙ্গ দৈর্ঘ্যর মান 4753A ° হলে এর পৃস্টের তাপমাত্রা নির্নয় কর। [wien's ধ্রুবক =2.88×10-3 mk]
ক 6059  K
খ 6.05×103°C
গ 7000K
ঘ 6109K
According to Wien's law, the wavelength corresponding to maximum energy is proportion to
ক Absolute temperature (T)
খ f
গ t
ঘ None of these
Wien’s law states that the wave length corresponding to ________ is proportional to the absolute temperature.
ক Minimum energy
খ Maximum energy
গ Both (A) and (B)
ঘ None of these
The moment to bridge the chasms that divide us has come" Why do the word bridge the chasms have been used ---
ক to eliminate difference
খ to keep up the brotherhood
গ to maintain religious bond
ঘ to foster humanity
The bridge used for the measurement of the value of the capacitance is
ক Wien’s bridge
খ Wheatstone bridge
গ Schering bridge
ঘ Hay’s bridge
For dynamic strain measurement, the wheatstone bridge used is of __________ type.
ক Voltage sensitive null
খ Voltage sensitive deflected
গ Current sensitive deflected
ঘ None of these

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