d) State one use for a semiconductor diode - Leaving Cert Physics - Question d, e, f - 2018
Question d, e, f
d) State one use for a semiconductor diode.
e) State one use for the instrument shown.
f) Define capacitance.
Worked Solution & Example Answer:d) State one use for a semiconductor diode - Leaving Cert Physics - Question d, e, f - 2018
Step 1
State one use for a semiconductor diode.
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Answer
A semiconductor diode allows current to flow in one direction, making it useful in applications such as rectification, where alternating current (AC) is converted to direct current (DC).
Step 2
State one use for the instrument shown.
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Answer
The instrument shown can be used to measure angles or wavelengths of light, demonstrating phenomena such as diffraction and interference.
Step 3
Define capacitance.
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Answer
Capacitance is defined as the ability of a component to store electric charge, given by the formula:
C=VQ
where C is the capacitance, Q is the charge stored, and V is the voltage across the component.
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