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Consider the following statements with regard to Lissajous pattern on a CRO: 1. It is a stationary pattern on the CRO 2. It is used for precise measurement of frequency of a voltage signal 3. The ratio between frequencies of vertical and longitudinal voltage signals should be an integer to have a steady Lissajous pattern Which of the above statements is/are correct?
What will be seen on the screen of CRO, when a sinusoidal voltage signal is applied to the vertical deflection plate of this CRO with no simultaneous signal applied to the horizontal deflection plate?
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will
A palindrome is a word that reads the same forwards and backwards. In a game of words, a player has the following two plates painted with letters. From the additional plates given in the options, which one of the combinations of additional plates would allow the player to construct a five-letter palindrome. The player should use all the five plates exactly once. The plates can be rotated in their plane.
For display of a sine wave in a CRO, what waveform is applied ot the horizontal plates?
The horizontal plates of a CRO are supplied with ___________ to observe the waveform of signal.
In leaf springs, the maximum bending stress developed in the plates is (where W = Load acting on the spring, $$l$$ = Span of the spring, n = Number of plates, b = Width of plates and t = Thickness of plates)
Cost of 7 spoons, 8 glasses and 9 plates is Rs 83. Cost of 8 spoons, 9 glasses and 10 plates is Rs. 93. Cost of 9 spoons, 10 glasses and 11 plates is Rs 103. What is the cost (in Rs.) of 48 spoons, 54 glasses and 60 plates?
Two statements are given followed by three conclusions numbered I, II and III. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: 1. All cups are plates. 2. Some cups are spoons. Conclusions: I. Some plates are spoons. II. Some plates are cups. III. All plates are spoons.