mindzone 7.0

1. Ohm’s Law is defined as:

• A) V = I + R

• B) V = IR

• C) V = I/R

• C) V = I/R

2. Which device converts AC to DC?

• A) Transformer

• B) Capacitor

• C) Rectifier

• D) Oscillator

3. The color code for a 220Ω resistor with 5% tolerance is:

• A) Red, Red, Black, Gold

• B) Red, Red, Brown, Gold

• C) Red, Black, Red, Gold

• D) Red, Red, Orange, Gold

4. The function of a capacitor is to:

• A) Allow AC and block DC

• B) Store electric charge

• C) Act as a switch

• D) Convert DC to AC

5. What is the frequency of AC mains in India?

• A) 50 Hz

• B) 60 Hz

• C) 100 Hz

• D) 25 Hz

6. In a P-N junction diode, current flows when

• A) It is reverse biased

• B) It is forward biased

• C) Both directions

• D) Never flows

7. The output of a NOT gate is:

• A) Same as input

• B) Opposite of input

• c) Zero

• d) Double the input

8. Which of the following law is used for solving complex electrical networks?

• A) Lenz’s Law

• B) Kirchhoff’s Law

• C) Faraday’s Law

• D) Coulomb’s Law

9. Which keyword is used to create an object in Java?

• A) class

• B) object

• C) new

• D) this

10. Which of the following is used to run a Java program?

• A) javac

• B) java

• C) javadoc

• D) JVM