• A. 20V
• B. 28.3V
• C. 40V
• D. 56.6V

Answer: Option B

Explanation:

• A. $\frac{1}{\sqrt{ RC}}$
• B. $\frac{1}{2\pi \sqrt{ RC}}$
• C. $\frac{1}{\sqrt{2\pi RC}}$
• D. $\frac{1}{2\pi \sqrt{6 RC}}$

Answer: Option D

Explanation:

• A. কমন-অ্যামিটার
• B. কমন বেস
• C. কমন কালেক্টর
• D. সবকয়টি

Answer: Option C

Explanation:

• A. $0.90 m^3$
• B. $0.94 m^3$
• C. $0.98 m^3$
• D. $1.00 m^3$

Answer: Option A

Explanation:

• A. $D=\frac{1520}{R}$
• B. $D=\frac{1620}{R}$
• C. $D=\frac{1720}{R}$
• D. $D=\frac{1820}{R}$

Answer: Option C

Explanation:

• A. $\frac{\pi d^3}{16}$
• B. $\frac{\pi d^4}{4}$
• C. $\frac{\pi d^4}{64}$
• D. $\frac{\pi d^4}{8}$

Answer: Option B

Explanation:

• A. ১০" × ৫" x ৩"
• B. ৩৯. ৬" × ৪.৫" x ২.৭৫"
• C. ৯.৭৫" x ৪.৭৫" x ২.৭৫"
• D. ৯" x 8" x ২.৫"

Answer: Option B

Explanation:

• A. < 100 MHZ
• B. < 1 GHZ
• C. < 2 GHZ
• D. Infra-red range এর

Answer: Option D

Explanation:

• A. < 100 MHZ
• B. < 1 GHZ
• C. < 2 GHZ
• D. Infra-red range এর

Answer: Option D

Explanation:

• A. ২টি
• B. ৩টি
• C. ৪টি
• D. ৫টি

Answer: Option C

Explanation:

• A. POP3
• B. POP3
• C. HTML
• D. SMTP

Answer: Option A

Explanation:

• A. OMR
• B. COM
• C. Plotter
• D. Monitor

Answer: Option A

Explanation:

• A. OMR
• B. COM
• C. Plotter
• D. Monitor

Answer: Option A

Explanation:

• A. মনিটর
• B. প্রজেক্টর
• C. প্রিন্টার
• D. কীবোর্ড

Answer: Option D

Explanation:

• A. malware
• B. virus
• C. lip - lop
• D. Firmware

Answer: Option D

Explanation: