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ankoles [38]
3 years ago
12

Two electronics students are discussing static electricity and electric current. Student A says that a basic property of static

electricity is the fact that it can't be detected. Student B says that an electric current results when electrons move in a conductor. Which of the following statements is correct? A. Neither of the two students is correct. B. Only Student A is correct. C. Both of the students are correct. D. Only Student B is correct.
Computers and Technology
1 answer:
Svet_ta [14]3 years ago
3 0
The answer is D. Only student B is correct. Student A is incorrect because static electricity can be detected through the principle of electrostatic induction, which will indicate if there are static electricity on the surface of an object. A device which can detect static electricity is an electroscope. Moreover, for student B, it is correct that the cause for electric current to flow is the uniform flow of free electrons.
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Answer:

def newton(n):

       #Define the variables.

       t = 0.000001

       esti = 1.0

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       while True:

               esti = (esti + n / esti) / 2

               dif = abs(n - esti ** 2)

               if dif <= t:

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       #Return the result.

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#Define the main function.

def main():

   

       #Continue until user press enters.

       while True:

               try:

         

                       #Prompt the user for input.

                       n = int(input("Enter a number (Press Enter to stop):"))

                       #display the results.

                       print("newton = %0.15f" % newton(n))

     

               except:

                       return

#Call the main function.

main()

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