A transistor is connected in a circuit so that the collector is connected to a DC supply Vcc through a collector resistor Rc, the emitter is connected to ground through an emitter resistor Re, the base is connected to a DC supply Vbb through a base resistor Rb, with Vcc = 10 V, Vbb = 3 V, Rc = 5 kohms, Re = 1 kohms, and Rb = 100 kohms. Determine the y-intercept of the DC load line.

a. 5.2 mA
b. 2.6 mA
c. 2.1 mA
d. 1.6 mA

When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?