IIT JEE / PMT Module Test 3 : Physics : Current Electricity

Normal type of MCQ with one correct option Find the resistance between a and b in the circuit given below. 
3 (
6 (
9 (
12 (.
Normal type of MCQ with one correct option The supply voltage to a room is 120 V. The resistance of the lead wires is 6 ohm. A 60 watt bulb is already giving light. What is the decrease in voltage across the bulb when a 240 watt heater is switched on?
Zero volt
2.9 volt
13.3 volt
10.4 volt.
Normal type of MCQ with one correct optionA wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be:
nR
Normal type of MCQ with one correct option An n(type silicon slab has length 6 ( 10(2 m, width 4 ( 10(3 m and thickness 25 ( 10(5 m. It carries a current of 4.8 mA. If free electron density is 1022 m(3, then time taken by the free electron to travel full length of the slab will be
0.01 s
0.02 s
0.03 s
0.04 s.
In this, there may be more than one option correct The resistivity of a conductor in the form of a wire depends on its (a)Length (b)Diameter (c)Material (d)Temperature.
A,B
B, C
C,D
A,B & D
/
Current through R3 = 2.5 A
Current through R4 = 3 A
Both (a) and (b) are correct
Both increases and (b) are wrong.
/
2 A
2.5 A
3.5 A
Zero.
/
2 A
3 A
1 A
2.5 A.
/
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true
  
Description:

Brilliant Institute of Advance Studies, Chandigarh offers a complete test series for IIT JEE and PMT preparation for FREE at WiZiQ.com. This series is constitutes 11 modules of each subjects +1 and +2 of all subjects Physics, Chemistry, Mathematics and Biology. The pattern of each test comprises all the types of objective questions of IIT JEE and AIPMT (MCQ with one or more correct option, Comprehension, Assertion-Reason, Match Matrix etc). This is the FREE Module test 3 of Physics; the covered chapter is Current Electricity. Keep checking for Exclusive Paid Test series for IIT JEE and AIPMT from us at a very nominal cost at WiZiQ.com Happy Learning; all the best!

Discussion

Afzal Ahmed

Download IIT JEE chapterwise practice papers, test papers and previous years question papers to prepare for exams. This is the best option available for online preparation of the most toughest exams like IIT JEE.

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1903 days 19 hours 14 minutes ago

sss

can u also set some time limit..dat wud help 2 increase speed...

3964 days 23 minutes ago

sss

test is useful but explanation 2 answers will help

3964 days 24 minutes ago

kaffisandhu

its too good

4133 days 21 hours 43 minutes ago

ussama

thats right way to get success.

4267 days 11 hours 18 minutes ago

sam

Give clear solutions avoiding confusion in the students

4329 days 16 hours 43 minutes ago

NVS KISHORE

THE CORRECT ANSWER FOR Q.NO 3 AND ANSWER EXPLAINATION IS NOT CLEAR BUT THE TEST IS STANDARD

4352 days 10 hours 58 minutes ago

SPARKX Chemistry
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