PRE-ASSESSMENT

IN THE FOLLOWING CIRCUIT, WHAT HAPPENS IF THE SWITCH REMAINS OPEN?

• BULB A AND B WILL ILLUMINATE

• BULB B WILL ILLUMINTAE ONLY

• BULB A WILL ILLUMINATE ONLY

• NO BULBS WILL ILLUMINATE

IN THE FOLLOWING CIRCUIT, IF SWITCH A CLOSES AND SWITCH B REMAINS OPEN, WHAT WILL HAPPEN?

• BULB X, Y, AND Z WILL ILLUMINATE

• BULB X WILL ILLUMINATE ONLY

• BULB Y AND Z WILL ILLUMINATE ONLY

• NO BULBS WILL ILLUMINATE

IN THE FOLLOWING CIRCUIT, WITH SWITCH A OPEN, WHICH BULB ARE ILLUMINATED (IF ANY)?

• BULB X, Y AND Z WILL ILLUMINATE

• BULB Y WILL ILLUMINATE ONLY

• BULB X AND Z WILL ILLUMINATE ONLY

• NO BULBS WILL ILLUMINATE

IF SWITCH B REMAINS OPEN, WHAT WILL HAPPEN?

• BULB X, Y AND Z WILL ILLUMINATE ONLY

• BULB X WILL ILLUMINATE ONLY

• BULB Y AND Z WILL ILLUMINTA ONLY

• NO BULBS WILL ILLUMINATE

IN THE FOLLOWING ELECTRICAL CIRCUIT, IF SWITCH A CLOSES AND SWITCH B AND C REMAINS OPEN, WHAT WILL HAPPEN?

• BULB X, Y AND Z WILL ILLUMINATE ONLY

• BULB X WILL ILLUMINATE ONLY

• BULB Y AND Z WILL ILLUMINTA ONLY

• NO BULBS WILL ILLUMINATE

IN THE FOLLOWING CIRCUIT, HOW MANY BULBS WILL ILLUMINATE IF SWITCH 3 CLOSES?

• NO BULBS

• 2 BULBS

• 1 BULB

• 4 BULBS

IN THE FOLLOWING CIRCUIT, HOW MANY BULBS WILL ILLUMINATE IF SWITCH 1 AND 5 CLOSES?

• NO BULBS

• 1 BULB

• 2 BULB

• 4 BULBS

• 5 BULBS

WHAT DOES THE FOLLOWING SYMBOL REPRESENT?

• BATTERY

• LAMP

• RESISTOR

• CIRCUIT BREAKER

WHICH OF THE FOLLOWING SYMBOL REPRESENTS A SPEAKER?

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WHAT DOES DC STANDS FOR IN THE TERM ‘DC ELECTRICITY’?

• DIVIDED CURRENT

• DIRECT CURRENT

• DIRECT CAPACITY

• DIODE CURRENT