Question

ANSWER:
1X5=
4) The formula for total resistance when resistors are connected in series is
5) The pattern of magnetic field around a straight conductor is
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Answer 1

Answer:

Answer (1) To calculate the total overall resistance of a number of resistors connected in this way you add up the individual resistances. This is done using the following formula: Rtotal = R1 + R2 +R3 and so on. Example: To calculate the total resistance for these three resistors in series.

Answer (2) The Magnetic field lines around a straight conductor carrying current are concentric circles whose centres lie on the wire. The direction of magnetic field lines can be determined using Right-Hand Thumb Rule.