Structural testing is a type of testing which requires only the source code of the product, not the binaries or executables
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Answer:
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(i) An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge past a region.
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(ii) (a) Heating effect is the effect that is used in electric iron . It is the rate of flow of charge through any conductor .
(b) An electric bell works with the help of an electromagnet. It is made up of a coil of wire wound round an iron piece, resembling an electromagnet. When current passes through it, a magnetic field is produced. When the circuit is complete, the hammer of the bell is attracted towards the electromagnet.
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(iii) If you hold a compass near a wire through which current is flowing, the needle on the compass will be deflected. Since compasses work by pointing along magnetic field lines, this means that there must be a magnetic field near the wire through which the current is flowing.
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♡Answer♡
(i) An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge past a region.
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(ii) (a) Heating effect is the effect that is used in electric iron . It is the rate of flow of charge through any conductor .
(b) An electric bell works with the help of an electromagnet. It is made up of a coil of wire wound round an iron piece, resembling an electromagnet. When current passes through it, a magnetic field is produced. When the circuit is complete, the hammer of the bell is attracted towards the electromagnet.
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(iii) If you hold a compass near a wire through which current is flowing, the needle on the compass will be deflected. Since compasses work by pointing along magnetic field lines, this means that there must be a magnetic field near the wire through which the current is flowing.