Some materials develop opposite electrical charges on opposite sides when they are compressed (or twisted, bent, or stretched).
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Q3: Some ceramic materials show a _ property
Q4: Whenever an electrical current flows, _ forces
Q5: Electricity and magnetism are two distinctly different
Q6: The principle of inducing a current flow
Q7: Thermoelectric effects utilizing temperature differentials to generate
Q9: Electrolysis uses an electrical current to produce
Q10: Most of the life-sustaining energy encountered on
Q11: More often than not, the conversion process
Q12: Frictional heat causes surface atoms to give
Q13: Magnetic crystals are used in small earphones,
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