Physics Silicon has a conductivity of only 5x104ohm'm' in its pure form.An engineer wanted it to have conductivity of 200 ohm'm' and doped it with aluminium to produce p-type semiconductor.Calculate the impurity concentration.

Q: Re Resah

A: In the given circuit We have to determine the equivalent resistance.

Q: Express 31 km h¹ in m s¹

A: Given: The speed of the object is 31 km/h.

Q: hôme made Ammeter Very small R ww Ro A Ro B Very big R Ra C Very small R

A: We know ammeter is connected in series to measure the current of a circuit therefore it's net…

Q: Skier leaves the ramp at an angle of 25° at A and hits the slope at B. Find the skier's initial…

A:

Q: 10. A cyclist travels at a speed of 20 km/hour. How far will he travels in 5 hours?

A: Given data:  Speed of cyclist (v) = 20 km/hour Time (t) = 5 hours

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/swhen it hits the ground,…

A: Given: mass m = 6kg final velocity v = 5 m/s To find: height, s=??

Q: Q4. Convert these into proper vector notation: Westward velocity of 42 km/h. Position 6.5 measured…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: question I need help finding out why The equation turns into that answer. it is all in the picture…

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Q: find lagrnJEs equation b.

A: Given,  Lq.,q,t= q.4-q2q= q.4-qLagrangian equation  is given as d dt∂L∂q.-∂L∂q=0+1=1

Q: car travels 16 km in 12 min, calculate the speed of the car, express your answer is mph there are…

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Q: Can you show me the conversions for this question, of how you got 33.56 hours?

A: 31479714.567feets divided by , 1,088 feets per second is ,  31479714.567feets1,088 feets per second…

Q: 500 750 750 500 www Y. ww 25 Q

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Q: Find the resistance between the points a and b for the network shown in the figure, if R1 = R2 = R3…

A: Given:-  R1=R2=R3=2ΩR4=R5=3 Ω Find:-  The resistance between the point a and b

Q: How we get 0,46?

A: It is given that,                         The mass of the block, m=2500 grams=2.5 kg.…

Q: I need part D, thank you!

A:

Q: thank

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Q: How much will it cost to operate a 1500-W quartz heater for 48 h if the cost of electricity is…

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Q: drive the next relationship n e? l m vd

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Q: Two plates each having an area.of 5m^2 are 37 mm apart. The plate on top is fixed while the plate…

A: Given data: The area of each plate is A=5 m2. The separation between the plates is d=37 mm. The…

Q: If a .300KG rubber ball is dropped from a 3m wall. How fast is it right before it bounces back?

A: Given data The mass of the rubber ball is m = 0.3 kg The height of the wall from where the ball is…

Q: George O'Malley weighs 150 kg and he is riding his car going to Manila as it moves to a speed of 15…

A: The mass m=150kg  The speed =15m/s  To find the kinetic energy

Q: Thank you,

A:

Q: Jamal went on a diving trip he jumped off the deck of a boat into the water every second after he…

A: Given that:- Time after which, we have to find the location of Jamal=10sec

Q: AT Find CAB

A:

Q: Express 28 km h ¹ in ms

A:

Q: Calculate the speed of a dog running through a field if he is covering 25.5 meters in 45 second

A: distance covered (d) = 25.5 meters time taken (t) = 45 seconds

Q: the finals answer should be in feet??

A: Given value--- Voltage = 9 V. charge = 0.347 A-h. mass = 10 kg. We have to find--- height?

Q: Express 38 km h-¹ in m s-¹.

A: Given: The phsysical quantity is 38 km/h.

Q: Express 46 km h-¹ in m s-¹

A: Given data;  Express;    46 km h-1 in m s-1