Question

19 For a metallic conductor, Ohm's law holds provided
potential difference varies
current remains constant
temperature remains constant
potential difference remains constant
20 Calculate the distance and magnification of an object placed 20cm from a converging lens
60cm and 0.3 times the size of object
20cm and 0.3 times the size of object
60cm and 3 times the size of object
80cm and 3 times the size of object

Answer 1

Dear hi, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order