Intrinsic - one mode OF
è semiconductor Material in its extremely pure form
1. Distinguish between intrinsic and extrinsic semiconductors
Extrinsic semiconductors
ma small admixture
of trinaces.
pertavolienti atons.
2. With the aid of a labelled diagram, describe the formation of an N-type
semiconductor
Oy
(4mks)
(6mks)
3. With the aid of a labelled diagram, difierentiate between the following terms as
applied in semiconductors
i) valence band
ii) conduction band
(4mks)
4. With reference to semiconductors, define the following terms;
1. Doping
ii. Valence electrons
(4mks)
5. With the aid of a labelled diagram, Explain the formation of P-type semiconductor.
(6mks)
6. Draw the symbols of the following diodes;
1. Zener diode
LED
910
Photo diode and
LED​

James albemarle created a trust fund at the beginning of 2016. the income from this fund will go to his son edward. when edward reaches the age of 25, the principal of the fund will be conveyed to united charities of cleveland. mr. albemarle specified that 75 percent of trustee fees are to be paid from principal. terry jones, cpa, is the trustee. james albemarle transferred cash of $500,000, stocks worth $400,000, and rental property valued at $250,000 to the trustee of this fund. immediately invested cash of $360,000 in bonds issued by the u.s. government. commissions of $7,900 are paid on this transaction. incurred permanent repairs of $9,000 so that the property can be rented. payment is made immediately. received dividends of $8,000. of this amount, $3,000 had been declared prior to the creation of the trust fund. paid insurance expense of $4,000 on the rental property. received rental income of $10,000. paid $8,000 from the trust for trustee services rendered. conveyed cash of $7,000 to edward albemarle.

Which of the following is one of the advantages primarily associated with a performance appraisal? (a) it protects employees against discrimination on the basis of race. (b) it motivates employees to work on their shortcomings. (c) it encourages employees to play the role of the whistle-blower. (d) it accurately measures the resources of the firm.

Afirm’s production function is represented by q(m,r) = 4m 3/4r1/3, where q denotes output, m raw materials, and r robots. the firm is currently using 6 units of raw materials and 12 robots. according to the mrts, in order to maintain its output level the firm would need to give up 2 robots if it adds 9 units of raw materials. (a) true (b) false