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Consider the following statements related to oscillator circuits : 1. The tank circuit of a Hartley oscillator is made up of a tapped capacitor and a common inductor. 2. The tank circuit of a Colpitts oscillator is made up of a tapped capacitor and a common oscillator. 3. The Wien Bridge oscillator is essentially a two-stage amplifier with an RC bridge in the first stage, and, the second stage serving as an inverter. 4. Crystal oscillators are fixed frequency oscillators with a high Q-factor.  Which of the following are true?
A company paid Rs. 6,00,000 as bonus to its employees at different levels A, B and C. Each employee at level A receives one and half times of the amount that was paid to each employee at level B and each employee at level B was paid twice the amount paid to the employee at level C. If 50 employees were on level A, 75 on level B and 100 on level C, how much amount was paid to each employee of level A ?
The improvement of Colpitts oscillator over Hately oscillator is, Colpitts oscillator’s performance in ___________
When constructing variable frequency oscillator among clapp oscillator and colpitts oscillator which one is preferred?
In isotropic filtering, which of the following is/are the simplest isotropic derivative operator?
In . . . . . . . . each carbon atom is bound to four other carbon atoms that form a strongly threedimensional structure.
Consider the following statements: 1. The Chairperson of a Panchayat at the district level is elected in such manner as the Legislature of the State may provide. 2. Legislature of a State may provide for representation of members of the Legislative Assembly of the State representing constituencies which comprise wholly or partly a Panchayat area at a level other than the village level, in such Panchayat. 3. The Lok Sabha may provide for the representation of its members representing constituencies which comprise wholly or partly a Panchayat area at a level other than the village level, in such Panchayat. Which of the statements given above is/are correct?
Conceptual level, internal level and External level are three components of the three-level RDBMS architecture. which of the following is not of the conceptual level? 
Consider a system with 2 level caches. Access times of Level 1 cache, Level 2 cache, and main memory are 1 ns, 10 ns, and 500 ns, respectively. The hit rates of Level 1 and Level 2 caches are 0.8 and 0.9, respectively. What is the average access time of the system ignoring the search time within the cache? 
Which of the following statements are correct
1. Significance level is opposite to confidence level.
2. Significance level is complementary to confidence level.
3. Significance level is the rejection area.