1. A silicon p-n junction has the hole and electron resistivity are 0.001 2.m, 0.004 22.m respectively in T-250 °K. The intrinsic carrier density is 6.2×10¹0 m³, the electron and hole diffusion length are 1.8×104 m, 1.1x104 m respectively, and th=8 us. Find reverse saturation current density.

I. SOLVE THE FOLLONING PROBLENS : A COPPER WIRE OF 0,3 Mm RAAUS HAS A LEN ETH OF 1. JOM- IF THE RESISTIVITY of cOpPER IS 1-7 x0 WHAT WOULD BE THE RESISTANOE OF THE WIRE? OF A 100m WIRE IS 1035 mm AND 3.7 OHMS. WHAT 2. THE DIAMETER THE REISTANCE IS IS THE CONDUCTIVITY 3. WHAT WILL BE THE VALUE OF A CAPACITOR WHEN IT HAS A CAPACITIVE REACTANCE OF 300R ANP to A 6o HZ. SUPPLY? IN FARADS IS CONNECTED 4. WHAT Is THE VALUE OF THE RESISTOR WITH THE FOLLOWING COLORS ? A. BROWN, BLACK, GOLD, REP B. BLUE YELON BROWN, SILVER PED, SILVER, BROWN, VIOET C. 5. AND t WHEN V 220V AND R= 50n WHEN I = 45 A WHEN V = 120V FIND V ANO R 80n AND AND E= 11A-

Please Help ASAP!!! Just do A-C

semiconductors

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B5

3. In the following circuits, given source voltage Vs=9V, R1, R2 and R3 all are 1kOhms. Answer the questions by considering the diodes as ideal and practical silicon ones respectively. Vs Vs Vs R2 R2 R2 Vout P D R1 R1 R3 R1 (a) Vout = ? (b) Vp = ? (c) Vp = ? Note: Vp means the voltage at point p. w