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Integrated Science

Integrated Science · Quick practice · answer shown after each question

Semiconductors and electronic devices

Question 1 of 6

Question 1 of 6

A p-n junction diode conducts when the

Question 2 of 6

Question 2 of 6

The most commonly used semiconductor material is

Question 3 of 6

Question 3 of 6

A transistor can be used as

Question 4 of 6

Question 4 of 6

A light-dependent resistor (LDR) has a resistance that

Question 5 of 6

Question 5 of 6

Adding impurities to a semiconductor to change its conductivity is

Question 6 of 6

Question 6 of 6

Adding small amounts of impurities to a semiconductor to change its conductivity is called

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.