Explanation

(a)(i) The coulomb is defined as the quantity of electric charge passing through a point in a conductor when a steady current of one ampere passes for one second.

(ii) Resistance is the opposition offered to the flow or passage of an electric current in a conductor.

(b) The effects of electric current are:

(i) Magnetic (ii) Chemical

(iii) Heating or thermal.

(c) The standard international colour for insulating cover for a three in plug are:

(i) Live is brown or red colour.

(ii) Neutral is blue or black colour.

(iii) Earth is green/yellow/green and yellow colour.

(d) Clock wise moment = 4gl\(_2\) + \(\frac{kq^2l_3}{12}\)

\(\frac{4 \times 10 \times 1 + 8.99 \times 10^9 \times q^2 \times 3}{(2.5)^2}\) = 40 + 4.315 x 10\(^{9}\) x \(q^{2}\)

Anti-clockwise moment = 5gl\(_1\) = 5 x 10 x 1 = 50 Nm

But sum of clockwise moment = Anti-clockwise moment 40 + 4.315 x 10\(^9\) q\(^2\) = 50

q = \(\sqrt{\frac{10}{4.315 \times 10^9}}\)

= 4.814 x 10\(^{-5}\)C

Correct Answer: B. a monopolist as it can have a great influence on price

Correct Answer: D. 1979

Correct Answer: C. N5,150

Explanation

If the gross profit is ?5,000, then the net profit is calculated below;

The item that will appear in the profit and loss account are;

Bad debt written off ?350, Discount allowed ?500 and Discount received ?1,000

\(\begin{array}{c|c} \text{Gross Profit} & 5000 & \\ \hline \text{Discount Received} & 1000 & 6000 \\ \hline \text{Expenses} & & \\ \hline \text{Bad debt.} & 350 & \\ \hline \text{Discout Allowed} & 500 & 850 \\ \hline \text{Net profit} &

& 5,150 \end{array}\)

Net profit is the profit made after all the expenses incurred are deducted from the gross profit

?5150 is the net profit calculated i.e bad debt 350 &nplus; discount allowed 500 &nplus; net profit 5,150 less gross profit 5,000 + discount received 1,000

Correct Answer: B. high commissions

Correct Answer: C. introduction of direct rule

Correct Answer: A. both parent possess genes for shortness

Correct Answer: D. contraband

Correct Answer: C) Cookie

Explanation

The options provided are: A) Application, B) Session, C) Cookie (which is the correct answer), D) QueryString, and E) Applets.

The correct answer is option C - Cookie. A cookie is a small text file that a website stores on a user's computer or mobile device when they visit the site. Cookies are used to remember a user's preferences and settings, login information, and other details that help to improve the user's experience on the website.

Cookies can be either session cookies or persistent cookies. Session cookies are temporary cookies that are deleted when the user closes their web browser. Persistent cookies, on the other hand, remain on the user's computer or mobile device until they expire or are deleted by the user.

It is important to note that cookies can be used for tracking user behavior across websites, which can raise privacy concerns. However, cookies can also be helpful for improving the user's experience on a website.

To learn more about cookies and their uses, please see the relevant sections of the recommended textbooks.

Correct Answer: B. happiness