Question

Write 3 advantages and 3 disadvantages of using solar panels for producing electricity. $\left[6\text{marks}\right]$

Answer 1

Three advantages of using solar panels are

1. They do not require any maintenance. $\left[1\text{marks}\right]$
2. They last for long period of time. $\left[1\text{marks}\right]$
3. Their running cost is almost nil. $\left[1\text{marks}\right]$

Three disadvantages of using solar panels are

1. Initial cost of solar panels is high. $\left[1\text{marks}\right]$
2. The efficiency of solar energy to electricity conversion is low. $\left[1\text{marks}\right]$
3. Solar panels produces DC electricity, which can't be used in various appliances directly. $\left[1\text{marks}\right]$