টেকনিক্যাল
- টেকনিক্যাল | NCTB BOOK
141.
ড্রামহেড
নিম্নে উল্লিখিত শব্দটি কী ধরনের উন্নতজাতের ফসলের নাম?
142.
দুলাভোগ
নিম্নে উল্লিখিত শব্দটি কী ধরনের উন্নতজাতের ফসলের নাম?
143.
Calculate the quantity of seeds to be required for growing onion bulb from bulb of onion in 0.5 hectare of land in line sowing method.
Calculate the quantity of seeds to be required for growing onion bulb from bulb of onion in 0.5 hectare of land in line sowing method.
144.
Which resistance in the following electrical network carries maximum current? What is the consumed power in the resistance?
Which resistance in the following electrical network carries maximum current? What is the consumed power in the resistance?
145.
Find the voltage across and charge on capacitor C1 for the following network after it is charged up to its final value
Find the voltage across and charge on capacitor C1 for the following network after it is charged up to its final value
147.
Implement the following logical function with NAND gates only
Implement the following logical function with NAND gates only
148.
Design a 8 to 1 multiplexes by using only 2 to 1 multiplexers. Show only the block diagram.
149.
What are the mein purpose of performing open circuit and short circuit test of a transformer?
What are the mein purpose of performing open circuit and short circuit test of a transformer?
150.
Draw the equivalent circuit and complete vector diagram of a signal-phase transformer for non-inductive load.
151.
The primary of 1000/250 v step-down transformer has a resistance of 0.15Ω and leakage reactance of 0.8Ω. Find the primary induced emf when the primary current is 60A at 0.8 pf lagging.
The primary of 1000/250 v step-down transformer has a resistance of 0.15Ω and leakage reactance of 0.8Ω. Find the primary induced emf when the primary current is 60A at 0.8 pf lagging.
152.
Describe pulse code modulation (PCM) wave form coder and decoder with neat sketch and list merits compared with the analog coders.
Describe pulse code modulation (PCM) wave form coder and decoder with neat sketch and list merits compared with the analog coders.
153.
What is the output average voltage (avg) for the following figure.
What is the output average voltage (avg) for the following figure.