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A tank of water has a gate in its vertical wall. The gate is 4 m high and 3 m wide. The top edge of the gate is 2 m below the surface of water. What is the hydrostatic force on the gate. Take specific weight of water as 10 kN/m3.
Consider the following sentences: (i) The number of candidates who appear for the GATE examination is staggering. (ii) A number of candidates from my class are appearing for the GATE examination. (iii) The number of candidates who appear for the GATE examination are staggering. (iv) A number of candidates from my class is appearing for the GATE examination. Which of the above sentences are grammatically CORRECT?
Consider the following statements regarding Thyristor: 1. It conducts when forward biased and positive current flows through the gate 2. It conducts when forward biased and negative current flows through the gate 3. It commutates when reverse biased and negative current flows through the gate 4. It commutates when the gate current is withdrawn Which of these statement(s) is/are correct?
Dehli Gate, Nagauri Gate, Talaqi Gate and Mori Gate are located in which Fort of Haryana?
A GaAs injection laser with an optical cavity has refractive index of 3.6. Calculate the reflectivity for normal incidence of the plane wave on the GaAs-air interface.
A bar of Gallium Arsenide (GaAs) is doped with Silicon such that the Silicon atoms occupy Gallium and Arsenic sites in the GaAs crystal. Which one of the following statements is true?
The total efficiency of an injection laser with GaAs active region is 12%. The applied voltage is 3.6 V and band gap energy for GaAs is 2.34 eV. Determine external power efficiency.
Method used for fabrication of GaAs FET is
How many masking stages does fabrication of GaAs FET require?
Wafers in GaAs fabrication are thermally unstable.