Subject: Physics, asked 2 days, 6 hours ago

## What is the minimum resistance that could be made with five resistors of value ⅓

Subject: Physics, asked 2 weeks, 3 days ago

## i) With the help of neat diagram describe an activity to show that a current carrying conductor placed in a magnetic field experiences a mechanical force. ii) Under what conditions is the force experienced by a current carrying conductor placed in a uniform magnetic field is a) maximum b) minimumPLEASE ANSWER FAST!!!!!!!

Subject: Physics, asked 2 weeks, 3 days ago

## (a) The figure below shows a solenoid wound on a soft iron core. Will the end A be a N pole or S pole when the current flows in the direction shown? (b) Name and state the rule used to determine this direction.PLEASE ANSWER FAST!!!!!!

Subject: Physics, asked 2 weeks, 4 days ago

## The magnetic field around a bar magnet consists of magnetic field lines which: (a) point from south to north pole outside the magnet. (b) are closer near the centre of the magnet than the poles. (c) are closed continuous curves. (d) do not intersect each other as they move from south to north pole.PLEASE ANSWER FAST!!!!!!!!!!!!!

Subject: Physics, asked 2 weeks, 4 days ago

## A magnetic compass needle deflects when brought near a magnet and points towards it, because: (a) The compass needle is a magnetic material and is attracted by the magnet. (b) The compass needle is a magnetic material and is repelled by the magnet. (c) The compass needle is a magnet and its north pole is repelled by the magnet. (d) The compass needle is a magnet and its north pole is attracted by the magnet.PLEASE ANSWER FAST!!!!!!!!

Subject: Physics, asked 2 weeks, 4 days ago

## How to do tell pls!!

Subject: Physics, asked 3 weeks, 4 days ago

## “A compass needle points approximately in the North- South direction”. Explain why? (1 MARK) PLEASE ANSWER FAST!!!!!!!!!

Subject: Physics, asked 3 weeks, 4 days ago

## State and derive Joule’s Law of Heating for a purely resistive circuit, consisting of a resistor R, connected to the power source V and current I flowing through it, which consumes a power P and the heat produced is H.Please answer fast!!!!!!

Subject: Physics, asked 3 weeks, 4 days ago

## In an electric field the work done in bringing a 5C charge frompoint A to B is 40J. Find the potential difference between the two points A and B. PLEASE ANSWER FAST!!

Subject: Physics, asked on 14/5/21

## What is a solenoid? Draw magnetic field lines due to a current carrying solenoid.

Subject: Physics, asked on 14/5/21

## What is an electromagnet? What is the purpose of soft iron core used in making an electromagnet?

Subject: Physics, asked on 13/5/21

## With the help of a labelled diagram, describe an activity to illustrate the pattern of the magnetic field lines around a straight current carrying long conducting wire Is there a similar magnetic field produced around a thin beam of moving (a)alpha particles (b)neurons. Justify your answer.

Subject: Physics, asked on 10/5/21

## The following diagram shows two parallel straight conductors carrying same  current. Draw the pattern of field lines around them and mark their directions. Find the magnitude of magnetic field at a point 'X' which is equidistant from the customers? Give justification for your answer.

Subject: Physics, asked on 10/5/21

## Name and state the rule to find the direction of magnetic field around a straight conductor carrying current.

Subject: Physics, asked on 5/5/21

## Draw diagrams to show magnetic field lines around a current carrying #(a) straight conductor (b) solenoid

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