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Which of the following statements relating to 'role' is/are true and false?
1 The system of various roles that the individual carries and performs is 'role set'.
2. The system of various roles of which an individuals role is a part in 'role space'.
3. Self role integration, proactivity, creativity and conformation are ingredients of the role making dimension of role efficacy.
4. Role stress is caused by both role space conflict and role set conflict.
In ensuring sustainable curriculum change and improvement, whose role is crucial in the Indian context? (a) Role of students feedback (b) Role of teachers feedback (c) Role of parents reactions (d) Role of educational authorities (e) Role of public in general Give your answer from the following option:
Assertion (A) Each role must have enough stressers which may help the role occupant to stretch himself/herself to meet the challenge. In the role, where the scope is limited to routine work, the role occupants do not perceive any challenge.
Reason (R) While every role has some routine elements, challenge can also be incorporated into every role. However, the challenge should not exceed an optimal limit, otherwise it may produce dysfunctional stress, resulting in poor performance or damage to the health of the employee in the long-run.
Identify the correct statements:
P. A reagent could be a collector for one system and a frother for another.
Q. Usage of a frother makes the bubble stable.
R. Usage of a frother makes the mineral surface hydrophobic
S. Some mineral floatation processes will not require any collector.
Role of a "collector" in froth floatation is to
For a narrow base PNP BJT, the excess minority carrier concentrations (ΔnE for emitter, ΔpB for base, ΔnC for collector) normalized to equilibrium minority carrier concentrations (nE0 for emitter, pB0 for base, nC0 for collector) in the quasi-neutral emitter, base and collector regions are shown below. Which one of the following biasing modes is the transistor operating in?
For transistor action (a) Base, emitter, and collector regions should have similar size and doping concentrations. (b) The base region must be very thin and lightly doped. (c) The emitter-base junction is forward biased and the base-collector junction is reverse biased. (d) Both the emitter-base junction as well as the base-collector junction are forward biased. Which one of the following pairs of statements is correct?
Given collector resistance = 2kΩ, load resistance = 5kΩ, collector capacitance = 1μF, emitter capacitance = 20μF, collector current = 2mA, source resistance = 2kΩ. If the effect of blocking capacitor is ignored, find the applicable cut-off frequency.
Given that the collector power dissipation is 300 mW, what is the value of collector current for the collector to emitter voltage = 12 V?
Given that the collector power dissipation is 300 mW, what is the value of collector to emitter voltage for collector current = 50 mA?